diff --git a/OnJsonAttribute.js b/OnJsonAttribute.js
new file mode 100644
index 0000000..34dba7a
--- /dev/null
+++ b/OnJsonAttribute.js
@@ -0,0 +1,313 @@
+const {DataObjectState} = require('./types');
+const {eachSeries} = require('async');
+const {DataConfigurationStrategy} = require('./data-configuration');
+const {DataError} = require('@themost/common');
+
+
+function edmTypeToJsonType(edmType) {
+    switch (edmType) {
+        case 'Edm.String':
+            return 'string';
+        case 'Edm.Boolean':
+            return 'boolean';
+        case 'Edm.Byte':
+        case 'Edm.SByte':
+        case 'Edm.Int16':
+        case 'Edm.Int32':
+        case 'Edm.Int64':
+            return 'integer';
+        case 'Edm.Decimal':
+        case 'Edm.Double':
+            return 'number';
+        case 'Edm.DateTime':
+        case 'Edm.EdmDateTimeOffset':
+        case 'Edm.Duration':
+            return 'string';
+        case 'Edm.Guid':
+            return 'string';
+        case 'Edm.Binary':
+        case 'Edm.Stream':
+            return 'string';
+        default:
+            return 'string';
+    }
+}
+
+class OnJsonAttribute {
+
+    /**
+     * @param {import('./data-model').DataModel} model
+     */
+    static getJsonSchema(model) {
+        const { context } = model;
+        const {dataTypes} = context.getConfiguration().getStrategy(DataConfigurationStrategy);
+        const additionalProperties = false;
+        const properties = model.attributes.reduce((prev, attr) => {
+            /**
+             * @type {{edmtype: string,type:string}}
+             */
+            const dataType = attr.type !== 'Json' ? dataTypes[attr.type] : null;
+            let type = 'object';
+            let assign = {};
+            if (dataType != null) {
+                type =  edmTypeToJsonType(dataType.edmtype);
+                assign = {
+                    [attr.name]: {
+                        type
+                    }
+                }
+            } else {
+                // try to get related model
+                let relatedModel = attr.additionalType != null ? context.model(attr.additionalType) : context.model(attr.type);
+                // if related model exists
+                if (relatedModel) {
+                    // get json schema for related model
+                    assign = {
+                        [attr.name]: Object.assign(OnJsonAttribute.getJsonSchema(relatedModel), {
+                            type
+                        })
+                    }
+                } else {
+                    // if related model does not exist
+                    assign = {
+                        [attr.name]: {
+                            type
+                        }
+                    };
+                }
+            }
+            // set property
+            Object.assign(prev, assign);
+            return prev;
+        }, {});
+        const required = model.attributes.filter((attr) => {
+            const primary = attr.primary === true;
+            const many = attr.many === true;
+            return attr.nullable === false && many === false && primary === false;
+        }).map((attr) => attr.name);
+        return {
+            properties,
+            required,
+            additionalProperties
+        }
+    }
+
+    /**
+     * @param {import('./data-model').DataModel} model 
+     * @returns {Array<import('./types').DataField>}
+     */
+    static getJsonAttributes(model) {
+        return model.attributes.filter((attr) => {
+            return attr.type === 'Json' && attr.additionalType != null;
+        });
+    }
+
+    /**
+     * @param {import('./types').DataEventArgs} event
+     * @param {function(err?:Error)} callback
+     * @returns {Promise<void> | Promise<unknown>}
+     */
+    beforeSave(event, callback) {
+        try {
+            // get json attributes if any
+            const attributes=  event.model.attributes.filter((attr) => {
+                const editable = attr.editable !== false;
+                const insertable = attr.insertable !== false;
+                const include = event.state === DataObjectState.Insert ? insertable : editable;
+                return include && attr.type === 'Json' && attr.additionalType != null && attr.model === event.model.name;
+            }).filter((attr) => {
+                return Object.prototype.hasOwnProperty.call(event.target, attr.name);
+            });
+            // exit if there are no json attributes
+            if (attributes.length === 0) {
+                return callback();
+            }
+            // iterate over json attributes
+            void eachSeries(attributes, (attr, cb) => {
+                // get attribute name
+                const {name} = attr;
+                const {[name]: value} = event.target;
+                if (value == null) {
+                    return cb();
+                }
+                try {
+                    const targetModel = event.model.context.model(attr.additionalType);
+                    if (targetModel == null) {
+                        return cb(new DataError('ERR_INVALID_MODEL', 'Property additional type cannot be determined.', 'The target model cannot be found.', event.model.name, attr.name));
+                    }
+                    // execute beforeSave event
+                    // this operation will add calculated values and validate the object against the current state of the model
+                    void targetModel.emit('before.save', {
+                        target: value,
+                        state: event.state,
+                        model: targetModel
+                    }, (err) => {
+                        if (err) {
+                            return cb(err);
+                        }
+                        // get object properties
+                        const properties = Object.getOwnPropertyNames(value);
+                        // get target model attributes
+                        const attributes = targetModel.attributeNames;
+                        // check if all properties are defined in the target model
+                        const additionalProperty = properties.find((prop) => attributes.indexOf(prop) < 0);
+                        if (additionalProperty != null) {
+                            return cb(new DataError('ERR_INVALID_PROPERTY', `The given structured value seems to be invalid. The property '${additionalProperty}' is not defined in the target model.`, null, event.model.name, attr.name));
+                        }
+                        return cb();
+                    });
+
+                } catch(err) {
+                    return cb(err);
+                }
+            }, (err) => {
+                if (err) {
+                    return callback(err);
+                }
+                return callback();
+            });
+        } catch (err) {
+            return callback(err);
+        }
+    }
+
+    /**
+     * @protected
+     * @param {{model: DataModel, result: any, emitter?: import('./data-queryable').DataQueryable}} event
+     * @param {function(err?:Error): void} callback
+     * @returns void
+     */
+    static afterSelect(event, callback) {
+        const jsonAttributes = event.model.attributes.filter((attr) => {
+            return attr.type === 'Json' && attr.additionalType != null;
+        }).map((attr) => {
+            return attr.name
+        });
+        if (jsonAttributes.length === 0) {
+            return callback();
+        }
+        let select = [];
+        const { viewAdapter: entity } = event.model;
+        if (event.emitter && event.emitter.query && event.emitter.query.$select) {
+            const querySelect = event.emitter.query.$select[entity] || [];
+            select.push(...querySelect);
+        }
+        let attributes = select.reduce((prev, element) => {
+            // if select element is a typical query field with $name property
+            if (element && typeof element.$name === 'string') {
+                // split $name property by dot
+                const matches = element.$name.split('.');
+                // if there are more than one parts
+                if (matches && matches.length > 1) {
+                    // get last part
+                    if (jsonAttributes.indexOf(matches[1]) >= 0) {
+                        prev.push(matches.pop());
+                    }
+                }
+            } else {
+                // try to get first property which should be attribute alias
+                const [key] = Object.keys(element);
+                if (Object.hasOwnProperty.call(element, key)) {
+                    /**
+                     * @type {{$jsonGet?: any[]}}
+                     */
+                    const selectField = element[key];
+                    // if select field has $jsonGet property
+                    if (selectField.$jsonGet) {
+                        const [jsonGet] = selectField.$jsonGet;
+                        // if jsonGet has $name property
+                        if (jsonGet && typeof jsonGet.$name === 'string') {
+                            // split $name property by dot
+                            const matches = jsonGet.$name.split('.');
+                            if (matches && matches.length > 1) {
+                                let index = 1;
+                                let nextModel = event.model;
+                                // iterate over matches
+                                while(index < matches.length) {
+                                    let attribute = nextModel.getAttribute(matches[index]);
+                                    if (attribute && attribute.type === 'Json') {
+                                        // get next model
+                                        nextModel = event.model.context.model(attribute.additionalType)
+                                        // if this is the last match
+                                        if (index + 1 === matches.length) {
+                                            // add attribute
+                                            prev.push(matches[index]);
+                                            // and exit
+                                            break;
+                                        }
+                                    } else {
+                                        break;
+                                    }
+                                    index++;
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            return prev
+        }, []);
+        if (select.length === 0) {
+            attributes = jsonAttributes;
+        }
+        if (attributes.length === 0) {
+            return callback();
+        }
+        // define json converter
+        const parseJson = (item) => {
+            attributes.forEach((name) => {
+                if (Object.prototype.hasOwnProperty.call(item, name)) {
+                    const value = item[name];
+                    if (typeof  value === 'string') {
+                        item[name] = JSON.parse(value);
+                    }
+                }
+            });
+        };
+        // iterate over result
+        const {result} = event;
+        if (result == null) {
+            return callback();
+        }
+        if (Array.isArray(result)) {
+            result.forEach((item) => parseJson(item));
+        } else {
+            // or parse json for single item
+            parseJson(result)
+        }
+        return callback();
+    }
+
+    /**
+     * @param {import('./types').DataEventArgs} event
+     * @param {function(err?:Error): void} callback
+     * @returns void
+     */
+    afterSave(event, callback) {
+        return OnJsonAttribute.afterSelect({
+            model: event.model,
+            result: event.target
+        }, callback);
+    }
+
+    /**
+     * @param {import('./types').DataEventArgs} event
+     * @param {function(err?:Error): void} callback
+     * @returns void
+     */
+    afterExecute(event, callback) {
+        try {
+            if (event.emitter && event.emitter.query && event.emitter.query.$select && event.result) {
+                return OnJsonAttribute.afterSelect(event, callback);
+            }
+            return callback();
+        } catch (err) {
+            return callback(err);
+        }
+    }
+
+}
+
+module.exports = {
+    OnJsonAttribute
+}
\ No newline at end of file
diff --git a/data-attribute-resolver.js b/data-attribute-resolver.js
index 0f32fb6..1e11a2f 100644
--- a/data-attribute-resolver.js
+++ b/data-attribute-resolver.js
@@ -28,7 +28,7 @@ DataAttributeResolver.prototype.orderByNestedAttribute = function(attr) {
     return new DataAttributeResolver().resolveNestedAttribute.call(this, attr);
 };
 
-DataAttributeResolver.prototype.selecteNestedAttribute = function(attr, alias) {
+DataAttributeResolver.prototype.selectNestedAttribute = function(attr, alias) {
     var expr = new DataAttributeResolver().resolveNestedAttribute.call(this, attr);
     if (expr) {
         if (_.isNil(alias))
@@ -47,7 +47,7 @@ DataAttributeResolver.prototype.selecteNestedAttribute = function(attr, alias) {
 DataAttributeResolver.prototype.selectAggregatedAttribute = function(aggregation, attribute, alias) {
     var self=this, result;
     if (new DataAttributeResolver().testNestedAttribute(attribute)) {
-        result = new DataAttributeResolver().selecteNestedAttribute.call(self,attribute, alias);
+        result = new DataAttributeResolver().selectNestedAttribute.call(self,attribute, alias);
     }
     else {
         result = self.fieldOf(attribute);
@@ -91,35 +91,39 @@ DataAttributeResolver.prototype.resolveNestedAttribute = function(attr) {
             expr = new DataAttributeResolver().resolveNestedAttributeJoin.call(self.model, memberExpr);
             // if expr.$select is an instance of Expression then return it
             // important note: this operation is very important in cases where a json object is selected
-            if (expr && expr.$select instanceof Expression) {
-                return expr.$select;
-            }
-            //select field
-            if (member.length>2) {
-                if (memberExpr.name !== attr) {
-                    // get member segments again because they have been modified
-                    member = memberExpr.name.split('/');
-                }
-                select = QueryField.select(member[member.length-1]).from(member[member.length-2]);
-            }
-            else {
-                if (memberExpr.name !== attr) {
-                    // get member segments again because they have been modified
-                    member = memberExpr.name.split('/');
+            if (expr && expr.$select && Object.prototype.hasOwnProperty.call(expr.$select, '$value')) {
+                var {$value} = expr.$select;
+                select = new QueryField({
+                    $value
+                });
+            } else {
+                //select field
+                if (member.length>2) {
+                    if (memberExpr.name !== attr) {
+                        // get member segments again because they have been modified
+                        member = memberExpr.name.split('/');
+                    }
+                    select = QueryField.select(member[member.length-1]).from(member[member.length-2]);
                 }
-                // if attribute has been resolved by the previous attribute resolver (for join)
-                // use the returned value which is also a query field expression
-                //
-                // important note: this operation is very important in cases where
-                // we are trying to select or filter zero-or-one associated items that are 
-                // defined by an association of type junction (a typical many-to-many association)
-                // e.g. $select=orderedItem/madeId as madeInCountry&$filter=orderedItem/madeId ne null
-                // where Product.madeId is a zero-or-one associated country with a product 
-                if (expr && expr.$select) {
-                    select = expr.$select;
-                } else {
-                    // otherwise build query field expression
-                    select  = QueryField.select(member[1]).from(member[0]);
+                else {
+                    if (memberExpr.name !== attr) {
+                        // get member segments again because they have been modified
+                        member = memberExpr.name.split('/');
+                    }
+                    // if attribute has been resolved by the previous attribute resolver (for join)
+                    // use the returned value which is also a query field expression
+                    //
+                    // important note: this operation is very important in cases where
+                    // we are trying to select or filter zero-or-one associated items that are 
+                    // defined by an association of type junction (a typical many-to-many association)
+                    // e.g. $select=orderedItem/madeId as madeInCountry&$filter=orderedItem/madeId ne null
+                    // where Product.madeId is a zero-or-one associated country with a product 
+                    if (expr && expr.$select) {
+                        select = expr.$select;
+                    } else {
+                        // otherwise build query field expression
+                        select  = QueryField.select(member[1]).from(member[0]);
+                    }
                 }
             }
         }
@@ -191,7 +195,9 @@ DataAttributeResolver.prototype.resolveNestedAttributeJoin = function(memberExpr
                     new MemberExpression(collection + '.' + objectPath)
                 ]);
                 return {
-                    $select: objectGet,
+                    $select: new QueryField({
+                        $value: objectGet.exprOf()
+                    }),
                     $expand: []
                 }
             }
diff --git a/data-model-filter.parser.js b/data-model-filter.parser.js
index d987c29..c222422 100644
--- a/data-model-filter.parser.js
+++ b/data-model-filter.parser.js
@@ -1,5 +1,5 @@
 const { AsyncSeriesEventEmitter } = require('@themost/events');
-const { OpenDataParser } = require('@themost/query');
+const { OpenDataParser, Expression } = require('@themost/query');
 const { DataAttributeResolver } = require('./data-attribute-resolver');
 const { DataFilterResolver } = require('./data-filter-resolver');
 
@@ -55,7 +55,10 @@ class DataModelFilterParser {
                         }
                         else {
                             expr = DataAttributeResolver.prototype.resolveNestedAttributeJoin.call(thisModel, member);
-                            if (expr.$select) {
+                            if (expr && expr.$select instanceof Expression) {
+                                // // use it as select expression after converting it to query field
+                                return cb(null, expr.$select);
+                            } else if (expr.$select) {
                                 member = expr.$select.$name.replace(/\./g,'/');
                             }
                         }
diff --git a/data-model.js b/data-model.js
index a185c26..c1350ce 100644
--- a/data-model.js
+++ b/data-model.js
@@ -4,7 +4,7 @@ var {sprintf} = require('sprintf-js');
 var Symbol = require('symbol');
 var pluralize = require('pluralize');
 var async = require('async');
-var {QueryUtils, Expression} = require('@themost/query');
+var {QueryUtils, MethodCallExpression} = require('@themost/query');
 var {OpenDataParser} = require('@themost/query');
 var types = require('./types');
 var {DataAssociationMapping} = require('./types');
@@ -38,6 +38,8 @@ var {hasOwnProperty} = require('./has-own-property');
 var { SyncSeriesEventEmitter } = require('@themost/events');
 require('@themost/promise-sequence');
 var DataObjectState = types.DataObjectState;
+var { OnJsonAttribute } = require('./OnJsonAttribute');
+var { isObjectDeep } = require('./is-object');
 /**
  * @this DataModel
  * @param {DataField} field
@@ -640,7 +642,10 @@ function unregisterContextListeners() {
     //migration listeners
     this.on('after.upgrade',DataModelCreateViewListener.prototype.afterUpgrade);
     this.on('after.upgrade',DataModelSeedListener.prototype.afterUpgrade);
-
+    // json listener
+    this.on('after.save', OnJsonAttribute.prototype.afterSave);
+    this.on('after.execute', OnJsonAttribute.prototype.afterExecute);
+    this.on('before.save', OnJsonAttribute.prototype.beforeSave);
     //get module loader
     /**
      * @type {ModuleLoader|*}
@@ -786,12 +791,23 @@ function filterInternal(params, callback) {
                 }
                 else {
                     expr = DataAttributeResolver.prototype.resolveNestedAttributeJoin.call(self, member);
-                    if (expr.$select) {
-                        if (expr.$select instanceof Expression) {
-                            member = expr.$select;
+                    // get member expression
+                    if (expr && expr.$select && Object.prototype.hasOwnProperty.call(expr.$select, '$value')) {
+                        // get value
+                        var {$value} = expr.$select;
+                        // get first property
+                        var [property] = Object.keys($value);
+                        // check if property starts with $ (e.g. $concat, $jsonGet etc)
+                        if (property && property.startsWith('$')) {
+                            // get arguments
+                            var {[property]: args} = $value;
+                            // create method call expression
+                            member = new MethodCallExpression(property.substring(1), args);
                         } else {
-                            member = expr.$select.$name.replace(/\./g, '/');
+                            return cb(new Error('Invalid member expression. Expected a method call expression.'));
                         }
+                    } else if (expr && expr.$select) {
+                        member = expr.$select.$name.replace(/\./g, '/');
                     }
                 }
                 if (expr && expr.$expand) {
@@ -1556,10 +1572,14 @@ function cast_(obj, state) {
                         mapping = superModel.inferMapping(name);
                     }
                 }
-                if (_.isNil(mapping)) {
-                    result[x.name] = obj[name];
-                }
-                else if (mapping.associationType==='association') {
+                if (mapping == null) {
+                    var {[name]: value} = obj;
+                    if (x.type === 'Json') {
+                        result[x.name] = isObjectDeep(value) ? JSON.stringify(value) : null;
+                    } else {
+                        result[x.name] = value;
+                    }
+                } else if (mapping.associationType==='association') {
                     if (typeof obj[name] === 'object' && obj[name] !== null)
                     //set associated key value (e.g. primary key value)
                         result[x.name] = obj[name][mapping.parentField];
diff --git a/data-pluralize.d.ts b/data-pluralize.d.ts
new file mode 100644
index 0000000..e4ce093
--- /dev/null
+++ b/data-pluralize.d.ts
@@ -0,0 +1 @@
+export declare function setSingularRules(pluralize: any): void;
\ No newline at end of file
diff --git a/data-pluralize.js b/data-pluralize.js
new file mode 100644
index 0000000..7ba75d6
--- /dev/null
+++ b/data-pluralize.js
@@ -0,0 +1,20 @@
+
+const singularRules = [
+    [
+        /data$/,
+        'data'
+    ]
+]
+
+/**
+ * @param {*} pluralize
+ */
+function setSingularRules(pluralize) {
+    singularRules.forEach(rule => {
+        pluralize.addSingularRule(rule[0], rule[1])
+    });
+}
+
+export {
+    setSingularRules
+}
\ No newline at end of file
diff --git a/data-queryable.js b/data-queryable.js
index 624fc4c..1b36b44 100644
--- a/data-queryable.js
+++ b/data-queryable.js
@@ -820,7 +820,7 @@ function select_(arg) {
     else {
         a = DataAttributeResolver.prototype.testNestedAttribute.call(self,arg);
         if (a) {
-            return DataAttributeResolver.prototype.selecteNestedAttribute.call(self, a.name, a.property);
+            return DataAttributeResolver.prototype.selectNestedAttribute.call(self, a.name, a.property);
         }
         else {
             a = DataAttributeResolver.prototype.testAttribute.call(self,arg);
@@ -910,7 +910,7 @@ DataQueryable.prototype.select = function(attr) {
                         else {
                             b = DataAttributeResolver.prototype.testNestedAttribute.call(self,name);
                             if (b) {
-                                expr = DataAttributeResolver.prototype.selecteNestedAttribute.call(self, b.name, x.property);
+                                expr = DataAttributeResolver.prototype.selectNestedAttribute.call(self, b.name, x.property);
                                 if (expr) { arr.push(expr); }
                             }
                             else {
diff --git a/data-value-resolver.js b/data-value-resolver.js
index 834ecb7..2ca5564 100644
--- a/data-value-resolver.js
+++ b/data-value-resolver.js
@@ -1,6 +1,7 @@
 const {DataAttributeResolver} = require('./data-attribute-resolver');
 const {isObjectDeep} = require('./is-object');
 const {sprintf} = require('sprintf-js');
+var {Expression} = require('@themost/query');
 
 /**
  * @class DataValueResolver
@@ -30,6 +31,11 @@ DataValueResolver.prototype.resolve = function(value) {
             }
         }
     }
+    // if value is an instance of Expression e.g. an instance if MemberExpression
+    if (value instanceof Expression) {
+        // return the expression
+        return value;
+    }
     if (isObjectDeep(value)) {
         // try to get in-process left operand
         // noinspection JSUnresolvedReference
diff --git a/dataTypes.json b/dataTypes.json
index 7be1a9b..16cb4e3 100644
--- a/dataTypes.json
+++ b/dataTypes.json
@@ -421,5 +421,17 @@
     "type": "string",
     "sqltype":"Text",
     "version":"1.0"
+  },
+  "Json": {
+      "comment": "A string which represents a JSON object.",
+      "label": "Json",
+      "supertypes": [
+          "Text"
+      ],
+      "url": "https://www.json.org/json-en.html",
+      "edmtype": "Edm.String",
+      "type": "string",
+    "sqltype":"Text",
+    "version":"1.0"
   }
 }
\ No newline at end of file
diff --git a/jest.setup.js b/jest.setup.js
index c999f93..842812b 100644
--- a/jest.setup.js
+++ b/jest.setup.js
@@ -3,4 +3,4 @@ const JestLogger = require('./jest.logger');
 // noinspection JSCheckFunctionSignatures
 TraceUtils.useLogger(new JestLogger());
 /* global jest */
-jest.setTimeout(30000);
+jest.setTimeout(60000);
diff --git a/model-schema.json b/model-schema.json
index 7b0a5bd..f867131 100644
--- a/model-schema.json
+++ b/model-schema.json
@@ -9,7 +9,7 @@
                 "Time", "URL", "Language", "Model", "Guid", "Object", "NegativeInteger",
                 "NegativeNumber", "NonNegativeInteger", "NonNegativeNumber",
                 "NonPositiveInteger", "NonPositiveNumber", "PositiveInteger",
-                "PositiveNumber", "Email", "AbsoluteURI", "RelativeURI"
+                "PositiveNumber", "Email", "AbsoluteURI", "RelativeURI", "Json"
             ]
         },
         "unknownTypes": {
@@ -178,6 +178,10 @@
                         "type": "boolean",
                         "description": "A boolean which indicates whether this attribute defines an association between two models where child objects are always treated as a part of the parent object."
                     },
+                    "additionalType": {
+                        "type": "string",
+                        "description": "A string which represents the additional type of this property e.g. Person, Order etc. This attribute is used for properties marked as \"Json\" where a specific type should be defined for validating entities."
+                    },
                     "mapping": {
                         "type": "object",
                         "properties": {
diff --git a/package-lock.json b/package-lock.json
index 228da0c..21a888b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "@themost/data",
-  "version": "2.16.1",
+  "version": "2.17.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@themost/data",
-      "version": "2.16.1",
+      "version": "2.17.0",
       "license": "BSD-3-Clause",
       "dependencies": {
         "@themost/events": "^1.0.5",
@@ -27,7 +27,7 @@
         "@themost/common": "^2.10.4",
         "@themost/peers": "^1.0.2",
         "@themost/query": "^2.14.7",
-        "@themost/sqlite": "^2.6.16",
+        "@themost/sqlite": "^2.8.4",
         "@themost/xml": "^2.5.2",
         "@types/core-js": "^2.5.0",
         "@types/jest": "^27.4.1",
@@ -2806,41 +2806,6 @@
         "@jridgewell/sourcemap-codec": "^1.4.10"
       }
     },
-    "node_modules/@mapbox/node-pre-gyp": {
-      "version": "1.0.11",
-      "resolved": "https://registry.npmjs.org/@mapbox/node-pre-gyp/-/node-pre-gyp-1.0.11.tgz",
-      "integrity": "sha512-Yhlar6v9WQgUp/He7BdgzOz8lqMQ8sU+jkCq7Wx8Myc5YFJLbEe7lgui/V7G1qB1DJykHSGwreceSaD60Y0PUQ==",
-      "dev": true,
-      "dependencies": {
-        "detect-libc": "^2.0.0",
-        "https-proxy-agent": "^5.0.0",
-        "make-dir": "^3.1.0",
-        "node-fetch": "^2.6.7",
-        "nopt": "^5.0.0",
-        "npmlog": "^5.0.1",
-        "rimraf": "^3.0.2",
-        "semver": "^7.3.5",
-        "tar": "^6.1.11"
-      },
-      "bin": {
-        "node-pre-gyp": "bin/node-pre-gyp"
-      }
-    },
-    "node_modules/@mapbox/node-pre-gyp/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
-      "dev": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
-      "bin": {
-        "semver": "bin/semver.js"
-      },
-      "engines": {
-        "node": ">=10"
-      }
-    },
     "node_modules/@nodelib/fs.scandir": {
       "version": "2.1.5",
       "resolved": "https://registry.npmjs.org/@nodelib/fs.scandir/-/fs.scandir-2.1.5.tgz",
@@ -2888,14 +2853,11 @@
       }
     },
     "node_modules/@npmcli/fs/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
+      "version": "7.6.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.3.tgz",
+      "integrity": "sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==",
       "dev": true,
       "optional": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
       "bin": {
         "semver": "bin/semver.js"
       },
@@ -2976,7 +2938,6 @@
       "resolved": "https://registry.npmjs.org/@themost/query/-/query-2.14.7.tgz",
       "integrity": "sha512-VpW6ad64IRVHk+wY+FINbppblushOGIOb9TCwcNfr930o82IjTMhbOkGnIM2hx3x68T3iWoK0YiGaZxegAfWkg==",
       "dev": true,
-      "license": "BSD-3-Clause",
       "dependencies": {
         "@themost/events": "^1.0.5",
         "async": "^3.2.3",
@@ -2995,14 +2956,16 @@
       "dev": true
     },
     "node_modules/@themost/sqlite": {
-      "version": "2.6.16",
-      "resolved": "https://registry.npmjs.org/@themost/sqlite/-/sqlite-2.6.16.tgz",
-      "integrity": "sha512-6Mgj7516YC9+IINGCgBl9IpIMXVO+ZRWYKsrA/PdTo2cs1yYYgaoYNVifO42PZionW+WRMYETVAJuPKpEYhG2A==",
+      "version": "2.8.4",
+      "resolved": "https://registry.npmjs.org/@themost/sqlite/-/sqlite-2.8.4.tgz",
+      "integrity": "sha512-pmkf18CUqnJ1dqZwVdCZtS9LU9xsgVvKitjuTh9xX0Ym2L02iBTPWcPx7uemZCwUOaXi9cw5mikdpi2pPsMIlA==",
       "dev": true,
+      "hasInstallScript": true,
       "dependencies": {
         "async": "^2.6.4",
         "sprintf-js": "^1.1.2",
-        "sqlite3": "^5.1.6"
+        "sqlite3": "^5.1.7",
+        "unzipper": "^0.12.3"
       },
       "engines": {
         "node": ">=12"
@@ -3201,7 +3164,8 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
       "integrity": "sha512-nne9/IiQ/hzIhY6pdDnbBtz7DjPTKrY00P/zvPSm5pOFkl6xuGrGnXn/VtTNNfNtAfZ9/1RtehkszU9qcTii0Q==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "node_modules/acorn": {
       "version": "8.8.0",
@@ -3363,20 +3327,22 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/aproba/-/aproba-2.0.0.tgz",
       "integrity": "sha512-lYe4Gx7QT+MKGbDsA+Z+he/Wtef0BiwDOlK/XkBrdfsh9J/jPPXbX0tE9x9cl27Tmu5gg3QUbUrQYa/y+KOHPQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "node_modules/are-we-there-yet": {
-      "version": "2.0.0",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-2.0.0.tgz",
-      "integrity": "sha512-Ci/qENmwHnsYo9xKIcUJN5LeDKdJ6R1Z1j9V/J5wyq8nh/mYPEpIKJbBZXtZjG04HiK7zV/p6Vs9952MrMeUIw==",
+      "version": "3.0.1",
+      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-3.0.1.tgz",
+      "integrity": "sha512-QZW4EDmGwlYur0Yyf/b2uGucHQMa8aFUP7eu9ddR73vvhFyt4V0Vl3QHPcTNJ8l6qYOBdxgXdnBXQrHilfRQBg==",
       "deprecated": "This package is no longer supported.",
       "dev": true,
+      "optional": true,
       "dependencies": {
         "delegates": "^1.0.0",
         "readable-stream": "^3.6.0"
       },
       "engines": {
-        "node": ">=10"
+        "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
       }
     },
     "node_modules/arg": {
@@ -3630,6 +3596,52 @@
       "integrity": "sha512-3oSeUO0TMV67hN1AmbXsK4yaqU7tjiHlbxRDZOpH0KW9+CeX4bRAaX0Anxt0tx2MrpRpWwQaPwIlISEJhYU5Pw==",
       "dev": true
     },
+    "node_modules/base64-js": {
+      "version": "1.5.1",
+      "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+      "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/bindings": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/bindings/-/bindings-1.5.0.tgz",
+      "integrity": "sha512-p2q/t/mhvuOj/UeLlV6566GD/guowlr0hHxClI0W9m7MWYkL1F0hLo+0Aexs9HSPCtR1SXQ0TD3MMKrXZajbiQ==",
+      "dev": true,
+      "dependencies": {
+        "file-uri-to-path": "1.0.0"
+      }
+    },
+    "node_modules/bl": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+      "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+      "dev": true,
+      "dependencies": {
+        "buffer": "^5.5.0",
+        "inherits": "^2.0.4",
+        "readable-stream": "^3.4.0"
+      }
+    },
+    "node_modules/bluebird": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/bluebird/-/bluebird-3.7.2.tgz",
+      "integrity": "sha512-XpNj6GDQzdfW+r2Wnn7xiSAd7TM3jzkxGXBGTtWKuSXv1xUV+azxAm8jdWZN06QTQk+2N2XB9jRDkvbmQmcRtg==",
+      "dev": true
+    },
     "node_modules/blueimp-md5": {
       "version": "2.19.0",
       "resolved": "https://registry.npmjs.org/blueimp-md5/-/blueimp-md5-2.19.0.tgz",
@@ -3701,6 +3713,30 @@
         "node-int64": "^0.4.0"
       }
     },
+    "node_modules/buffer": {
+      "version": "5.7.1",
+      "resolved": "https://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+      "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "base64-js": "^1.3.1",
+        "ieee754": "^1.1.13"
+      }
+    },
     "node_modules/buffer-from": {
       "version": "1.1.2",
       "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
@@ -3737,19 +3773,6 @@
         "node": ">= 10"
       }
     },
-    "node_modules/cacache/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/call-bind": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/call-bind/-/call-bind-1.0.2.tgz",
@@ -3907,6 +3930,7 @@
       "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
       "integrity": "sha512-qiBjkpbMLO/HL68y+lh4q0/O1MZFj2RX6X/KmMa3+gJD3z+WwI1ZzDHysvqHGS3mP6mznPckpXmw1nI9cJjyRg==",
       "dev": true,
+      "optional": true,
       "bin": {
         "color-support": "bin.js"
       }
@@ -3933,7 +3957,8 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/console-control-strings/-/console-control-strings-1.1.0.tgz",
       "integrity": "sha512-ty/fTekppD2fIwRvnZAVdeOiGd1c7YXEixbgJTNzqcxJWKQnjJ/V1bNEEE6hygpM3WjwHFUVK6HTjWSzV4a8sQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "node_modules/convert-source-map": {
       "version": "1.8.0",
@@ -3957,6 +3982,12 @@
         "url": "https://opencollective.com/core-js"
       }
     },
+    "node_modules/core-util-is": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.3.tgz",
+      "integrity": "sha512-ZQBvi1DcpJ4GDqanjucZ2Hj3wEO5pZDS89BWbkcrvdxksJorwUDDZamX9ldFkp9aw2lmBDLgkObEA4DWNJ9FYQ==",
+      "dev": true
+    },
     "node_modules/create-require": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/create-require/-/create-require-1.1.1.tgz",
@@ -3964,9 +3995,9 @@
       "dev": true
     },
     "node_modules/cross-spawn": {
-      "version": "7.0.3",
-      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.3.tgz",
-      "integrity": "sha512-iRDPJKUPVEND7dHPO8rkbOnPpyDygcDFtWjpeWNCgy8WP2rXcxXL8TskReQl6OrB2G7+UJrags1q15Fudc7G6w==",
+      "version": "7.0.6",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
       "dev": true,
       "dependencies": {
         "path-key": "^3.1.0",
@@ -4038,12 +4069,36 @@
       "integrity": "sha512-F29o+vci4DodHYT9UrR5IEbfBw9pE5eSapIJdTqXK5+6hq+t8VRxwQyKlW2i+KDKFkkJQRvFyI/QXD83h8LyQw==",
       "dev": true
     },
+    "node_modules/decompress-response": {
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-6.0.0.tgz",
+      "integrity": "sha512-aW35yZM6Bb/4oJlZncMH2LCoZtJXTRxES17vE3hoRiowU2kWHaJKFkSBDnDR+cm9J+9QhXmREyIfv0pji9ejCQ==",
+      "dev": true,
+      "dependencies": {
+        "mimic-response": "^3.1.0"
+      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/dedent": {
       "version": "0.7.0",
       "resolved": "https://registry.npmjs.org/dedent/-/dedent-0.7.0.tgz",
       "integrity": "sha512-Q6fKUPqnAHAyhiUgFU7BUzLiv0kd8saH9al7tnu5Q/okj6dnupxyTgFIBjVzJATdfIAm9NAsvXNzjaKa+bxVyA==",
       "dev": true
     },
+    "node_modules/deep-extend": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
+      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA==",
+      "dev": true,
+      "engines": {
+        "node": ">=4.0.0"
+      }
+    },
     "node_modules/deep-is": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.4.tgz",
@@ -4088,12 +4143,13 @@
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/delegates/-/delegates-1.0.0.tgz",
       "integrity": "sha512-bd2L678uiWATM6m5Z1VzNCErI3jiGzt6HGY8OVICs40JQq/HALfbyNJmp0UDakEY4pMMaN0Ly5om/B1VI/+xfQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "node_modules/detect-libc": {
-      "version": "2.0.2",
-      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.2.tgz",
-      "integrity": "sha512-UX6sGumvvqSaXgdKGUsgZWqcUyIXZ/vZTrlRT/iobiKhGL0zL4d3osHj3uqllWJK+i+sixDS/3COVEOFbupFyw==",
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/detect-libc/-/detect-libc-2.0.3.tgz",
+      "integrity": "sha512-bwy0MGW55bG41VqxxypOsdSdGqLwXPI/focwgTYCFMbdUiBAxLg9CFzG08sz2aqzknwiX7Hkl0bQENjg8iLByw==",
       "dev": true,
       "engines": {
         "node": ">=8"
@@ -4181,6 +4237,39 @@
         "node": ">=12"
       }
     },
+    "node_modules/duplexer2": {
+      "version": "0.1.4",
+      "resolved": "https://registry.npmjs.org/duplexer2/-/duplexer2-0.1.4.tgz",
+      "integrity": "sha512-asLFVfWWtJ90ZyOUHMqk7/S2w2guQKxUI2itj3d92ADHhxUSbCMGi1f1cBcJ7xM1To+pE/Khbwo1yuNbMEPKeA==",
+      "dev": true,
+      "dependencies": {
+        "readable-stream": "^2.0.2"
+      }
+    },
+    "node_modules/duplexer2/node_modules/readable-stream": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
+      "integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
+      "dev": true,
+      "dependencies": {
+        "core-util-is": "~1.0.0",
+        "inherits": "~2.0.3",
+        "isarray": "~1.0.0",
+        "process-nextick-args": "~2.0.0",
+        "safe-buffer": "~5.1.1",
+        "string_decoder": "~1.1.1",
+        "util-deprecate": "~1.0.1"
+      }
+    },
+    "node_modules/duplexer2/node_modules/string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dev": true,
+      "dependencies": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "node_modules/electron-to-chromium": {
       "version": "1.4.270",
       "resolved": "https://registry.npmjs.org/electron-to-chromium/-/electron-to-chromium-1.4.270.tgz",
@@ -4228,6 +4317,15 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/end-of-stream": {
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/end-of-stream/-/end-of-stream-1.4.4.tgz",
+      "integrity": "sha512-+uw1inIHVPQoaVuHzRyXd21icM+cnt4CzD5rW+NC1wjOUSTOs+Te7FOv7AhN7vS9x/oIyhLP5PR1H+phQAHu5Q==",
+      "dev": true,
+      "dependencies": {
+        "once": "^1.4.0"
+      }
+    },
     "node_modules/env-paths": {
       "version": "2.2.1",
       "resolved": "https://registry.npmjs.org/env-paths/-/env-paths-2.2.1.tgz",
@@ -4765,6 +4863,15 @@
         "node": ">= 0.8.0"
       }
     },
+    "node_modules/expand-template": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",
+      "integrity": "sha512-XYfuKMvj4O35f/pOXLObndIRvyQ+/+6AhODh+OKWj9S9498pHHn/IMszH+gt0fBCRWMNfk1ZSp5x3AifmnI2vg==",
+      "dev": true,
+      "engines": {
+        "node": ">=6"
+      }
+    },
     "node_modules/expect": {
       "version": "27.5.1",
       "resolved": "https://registry.npmjs.org/expect/-/expect-27.5.1.tgz",
@@ -4856,6 +4963,12 @@
         "node": "^10.12.0 || >=12.0.0"
       }
     },
+    "node_modules/file-uri-to-path": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/file-uri-to-path/-/file-uri-to-path-1.0.0.tgz",
+      "integrity": "sha512-0Zt+s3L7Vf1biwWZ29aARiVYLx7iMGnEUl9x33fbB/j3jR81u/O2LbqK+Bm1CDSNDKVtJ/YjwY7TUd5SkeLQLw==",
+      "dev": true
+    },
     "node_modules/fill-range": {
       "version": "7.1.1",
       "resolved": "https://registry.npmjs.org/fill-range/-/fill-range-7.1.1.tgz",
@@ -4917,28 +5030,45 @@
         "node": ">= 6"
       }
     },
-    "node_modules/fs-minipass": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-2.1.0.tgz",
-      "integrity": "sha512-V/JgOLFCS+R6Vcq0slCuaeWEdNC3ouDlJMNIsacH2VtALiu9mV4LPrHc5cDl8k5aw6J8jwgWWpiTo5RYhmIzvg==",
+    "node_modules/fs-constants": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/fs-constants/-/fs-constants-1.0.0.tgz",
+      "integrity": "sha512-y6OAwoSIf7FyjMIv94u+b5rdheZEjzR63GTyZJm5qh4Bi+2YgwLCcI/fPFZkL5PSixOt6ZNKm+w+Hfp/Bciwow==",
+      "dev": true
+    },
+    "node_modules/fs-extra": {
+      "version": "11.2.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-11.2.0.tgz",
+      "integrity": "sha512-PmDi3uwK5nFuXh7XDTlVnS17xJS7vW36is2+w3xcv8SVxiB4NyATf4ctkVY5bkSjX0Y4nbvZCq1/EjtEyr9ktw==",
       "dev": true,
       "dependencies": {
-        "minipass": "^3.0.0"
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^6.0.1",
+        "universalify": "^2.0.0"
       },
       "engines": {
-        "node": ">= 8"
+        "node": ">=14.14"
       }
     },
-    "node_modules/fs-minipass/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
+    "node_modules/fs-extra/node_modules/universalify": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
+      "integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
+      "dev": true,
+      "engines": {
+        "node": ">= 10.0.0"
+      }
+    },
+    "node_modules/fs-minipass": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-2.1.0.tgz",
+      "integrity": "sha512-V/JgOLFCS+R6Vcq0slCuaeWEdNC3ouDlJMNIsacH2VtALiu9mV4LPrHc5cDl8k5aw6J8jwgWWpiTo5RYhmIzvg==",
       "dev": true,
       "dependencies": {
-        "yallist": "^4.0.0"
+        "minipass": "^3.0.0"
       },
       "engines": {
-        "node": ">=8"
+        "node": ">= 8"
       }
     },
     "node_modules/fs.realpath": {
@@ -4968,24 +5098,24 @@
       "dev": true
     },
     "node_modules/gauge": {
-      "version": "3.0.2",
-      "resolved": "https://registry.npmjs.org/gauge/-/gauge-3.0.2.tgz",
-      "integrity": "sha512-+5J6MS/5XksCuXq++uFRsnUd7Ovu1XenbeuIuNRJxYWjgQbPuFhT14lAvsWfqfAmnwluf1OwMjz39HjfLPci0Q==",
+      "version": "4.0.4",
+      "resolved": "https://registry.npmjs.org/gauge/-/gauge-4.0.4.tgz",
+      "integrity": "sha512-f9m+BEN5jkg6a0fZjleidjN51VE1X+mPFQ2DJ0uv1V39oCLCbsGe6yjbBnp7eK7z/+GAon99a3nHuqbuuthyPg==",
       "deprecated": "This package is no longer supported.",
       "dev": true,
+      "optional": true,
       "dependencies": {
         "aproba": "^1.0.3 || ^2.0.0",
-        "color-support": "^1.1.2",
-        "console-control-strings": "^1.0.0",
+        "color-support": "^1.1.3",
+        "console-control-strings": "^1.1.0",
         "has-unicode": "^2.0.1",
-        "object-assign": "^4.1.1",
-        "signal-exit": "^3.0.0",
+        "signal-exit": "^3.0.7",
         "string-width": "^4.2.3",
         "strip-ansi": "^6.0.1",
-        "wide-align": "^1.1.2"
+        "wide-align": "^1.1.5"
       },
       "engines": {
-        "node": ">=10"
+        "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
       }
     },
     "node_modules/gensync": {
@@ -5041,6 +5171,12 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/github-from-package": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/github-from-package/-/github-from-package-0.0.0.tgz",
+      "integrity": "sha512-SyHy3T1v2NUXn29OsWdxmK6RwHD+vkj3v8en8AOBZ1wBQ/hCAQ5bAQTD02kW4W9tUp/3Qh6J8r9EvntiyCmOOw==",
+      "dev": true
+    },
     "node_modules/glob": {
       "version": "7.2.3",
       "resolved": "https://registry.npmjs.org/glob/-/glob-7.2.3.tgz",
@@ -5164,7 +5300,8 @@
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/has-unicode/-/has-unicode-2.0.1.tgz",
       "integrity": "sha512-8Rf9Y83NBReMnx0gFzA8JImQACstCYWUplepDa9xprwwtmgEZUF0h/i5xSA625zB/I37EtrswSST6OXxwaaIJQ==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "node_modules/hashmap": {
       "version": "2.4.0",
@@ -5258,6 +5395,26 @@
         "node": ">=0.10.0"
       }
     },
+    "node_modules/ieee754": {
+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+      "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
     "node_modules/ignore": {
       "version": "5.2.0",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.2.0.tgz",
@@ -5345,6 +5502,12 @@
       "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
       "dev": true
     },
+    "node_modules/ini": {
+      "version": "1.3.8",
+      "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.8.tgz",
+      "integrity": "sha512-JV/yugV2uzW5iMRSiZAyDtQd+nxtUnjeLt0acNdw98kKLrvuRVyB80tsREOE7yvGVgalhZ6RNXCmEHkUKBKxew==",
+      "dev": true
+    },
     "node_modules/ip-address": {
       "version": "9.0.5",
       "resolved": "https://registry.npmjs.org/ip-address/-/ip-address-9.0.5.tgz",
@@ -5456,6 +5619,12 @@
       "integrity": "sha512-cyA56iCMHAh5CdzjJIa4aohJyeO1YbwLi3Jc35MmRU6poroFjIGZzUzupGiRPOjgHg9TLu43xbpwXk523fMxKA==",
       "dev": true
     },
+    "node_modules/isarray": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/isarray/-/isarray-1.0.0.tgz",
+      "integrity": "sha512-VLghIWNM6ELQzo7zwmcg0NmTVyWKYjvIeM83yjp0wRDTmUnrM678fQbcKBo6n2CJEF0szoG//ytg+TKla89ALQ==",
+      "dev": true
+    },
     "node_modules/isexe": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/isexe/-/isexe-2.0.0.tgz",
@@ -7355,6 +7524,27 @@
         "node": ">=6"
       }
     },
+    "node_modules/jsonfile": {
+      "version": "6.1.0",
+      "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz",
+      "integrity": "sha512-5dgndWOriYSm5cnYaJNhalLNDKOqFwyDB/rr1E9ZsGciGvKPs8R2xYGCacuf3z6K1YKDz182fd+fY3cn3pMqXQ==",
+      "dev": true,
+      "dependencies": {
+        "universalify": "^2.0.0"
+      },
+      "optionalDependencies": {
+        "graceful-fs": "^4.1.6"
+      }
+    },
+    "node_modules/jsonfile/node_modules/universalify": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-2.0.1.tgz",
+      "integrity": "sha512-gptHNQghINnc/vTGIk0SOFGFNXw7JVrlRUtConJRlvaw6DuX0wO5Jeko9sWrMBhh+PsYAZ7oXAiOnf/UKogyiw==",
+      "dev": true,
+      "engines": {
+        "node": ">= 10.0.0"
+      }
+    },
     "node_modules/kleur": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/kleur/-/kleur-3.0.3.tgz",
@@ -7485,19 +7675,6 @@
         "node": ">= 10"
       }
     },
-    "node_modules/make-fetch-happen/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/makeerror": {
       "version": "1.0.12",
       "resolved": "https://registry.npmjs.org/makeerror/-/makeerror-1.0.12.tgz",
@@ -7566,23 +7743,47 @@
         "node": ">=6"
       }
     },
-    "node_modules/minimatch": {
-      "version": "3.1.2",
-      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
-      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+    "node_modules/mimic-response": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-3.1.0.tgz",
+      "integrity": "sha512-z0yWI+4FDrrweS8Zmt4Ej5HdJmky15+L2e6Wgn3+iK5fWzb6T3fhNFq2+MeTRb064c6Wr4N/wv0DzQTjNzHNGQ==",
       "dev": true,
-      "dependencies": {
-        "brace-expansion": "^1.1.7"
-      },
+      "engines": {
+        "node": ">=10"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
+    "node_modules/minimatch": {
+      "version": "3.1.2",
+      "resolved": "https://registry.npmjs.org/minimatch/-/minimatch-3.1.2.tgz",
+      "integrity": "sha512-J7p63hRiAjw1NDEww1W7i37+ByIrOWO5XQQAzZ3VOcL0PNybwpfmV/N05zFAzwQ9USyEcX6t3UO+K5aqBQOIHw==",
+      "dev": true,
+      "dependencies": {
+        "brace-expansion": "^1.1.7"
+      },
       "engines": {
         "node": "*"
       }
     },
+    "node_modules/minimist": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+      "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA==",
+      "dev": true,
+      "funding": {
+        "url": "https://github.com/sponsors/ljharb"
+      }
+    },
     "node_modules/minipass": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-5.0.0.tgz",
-      "integrity": "sha512-3FnjYuehv9k6ovOEbyOswadCDPX1piCfhV8ncmYtHOjuPwylVWsghTLo7rabjC3Rx5xD4HDx8Wm1xnMF7S5qFQ==",
+      "version": "3.3.6",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
+      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
       "dev": true,
+      "dependencies": {
+        "yallist": "^4.0.0"
+      },
       "engines": {
         "node": ">=8"
       }
@@ -7600,19 +7801,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/minipass-collect/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/minipass-fetch": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/minipass-fetch/-/minipass-fetch-1.4.1.tgz",
@@ -7631,19 +7819,6 @@
         "encoding": "^0.1.12"
       }
     },
-    "node_modules/minipass-fetch/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/minipass-flush": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/minipass-flush/-/minipass-flush-1.0.5.tgz",
@@ -7657,19 +7832,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/minipass-flush/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/minipass-pipeline": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/minipass-pipeline/-/minipass-pipeline-1.2.4.tgz",
@@ -7683,19 +7845,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/minipass-pipeline/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/minipass-sized": {
       "version": "1.0.3",
       "resolved": "https://registry.npmjs.org/minipass-sized/-/minipass-sized-1.0.3.tgz",
@@ -7709,19 +7858,6 @@
         "node": ">=8"
       }
     },
-    "node_modules/minipass-sized/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/minizlib": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-2.1.2.tgz",
@@ -7735,18 +7871,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/minizlib/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/mkdirp": {
       "version": "1.0.4",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
@@ -7759,6 +7883,12 @@
         "node": ">=10"
       }
     },
+    "node_modules/mkdirp-classic": {
+      "version": "0.5.3",
+      "resolved": "https://registry.npmjs.org/mkdirp-classic/-/mkdirp-classic-0.5.3.tgz",
+      "integrity": "sha512-gKLcREMhtuZRwRAfqP3RFW+TK4JqApVBtOIftVgjuABpAtpxhPGaDcfvbhNvD0B8iD1oUr/txX35NjcaY6Ns/A==",
+      "dev": true
+    },
     "node_modules/module-alias": {
       "version": "2.2.2",
       "resolved": "https://registry.npmjs.org/module-alias/-/module-alias-2.2.2.tgz",
@@ -7779,6 +7909,12 @@
       "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
       "dev": true
     },
+    "node_modules/napi-build-utils": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/napi-build-utils/-/napi-build-utils-1.0.2.tgz",
+      "integrity": "sha512-ONmRUqK7zj7DWX0D9ADe03wbwOBZxNAfF20PlGfCWQcD3+/MakShIHrMqx9YwPTfxDdF1zLeL+RGZiR9kGMLdg==",
+      "dev": true
+    },
     "node_modules/natural-compare": {
       "version": "1.4.0",
       "resolved": "https://registry.npmjs.org/natural-compare/-/natural-compare-1.4.0.tgz",
@@ -7786,73 +7922,55 @@
       "dev": true
     },
     "node_modules/negotiator": {
-      "version": "0.6.3",
-      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.3.tgz",
-      "integrity": "sha512-+EUsqGPLsM+j/zdChZjsnX51g4XrHFOIXwfnCVPGlQk/k5giakcKsuxCObBRu6DSm9opw/O6slWbJdghQM4bBg==",
+      "version": "0.6.4",
+      "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.4.tgz",
+      "integrity": "sha512-myRT3DiWPHqho5PrJaIRyaMv2kgYf0mUVgBNOYMuCH5Ki1yEiQaf/ZJuQ62nvpc44wL5WDbTX7yGJi1Neevw8w==",
       "dev": true,
       "optional": true,
       "engines": {
         "node": ">= 0.6"
       }
     },
-    "node_modules/node-addon-api": {
-      "version": "4.3.0",
-      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-4.3.0.tgz",
-      "integrity": "sha512-73sE9+3UaLYYFmDsFZnqCInzPyh3MqIwZO9cw58yIqAZhONrrabrYyYe3TuIqtIiOuTXVhsGau8hcrhhwSsDIQ==",
-      "dev": true
-    },
-    "node_modules/node-cache": {
-      "version": "5.1.2",
-      "resolved": "https://registry.npmjs.org/node-cache/-/node-cache-5.1.2.tgz",
-      "integrity": "sha512-t1QzWwnk4sjLWaQAS8CHgOJ+RAfmHpxFWmc36IWTiWHQfs0w5JDMBS1b1ZxQteo0vVVuWJvIUKHDkkeK7vIGCg==",
-      "license": "MIT",
+    "node_modules/node-abi": {
+      "version": "3.71.0",
+      "resolved": "https://registry.npmjs.org/node-abi/-/node-abi-3.71.0.tgz",
+      "integrity": "sha512-SZ40vRiy/+wRTf21hxkkEjPJZpARzUMVcJoQse2EF8qkUWbbO2z7vd5oA/H6bVH6SZQ5STGcu0KRDS7biNRfxw==",
+      "dev": true,
       "dependencies": {
-        "clone": "2.x"
+        "semver": "^7.3.5"
       },
       "engines": {
-        "node": ">= 8.0.0"
+        "node": ">=10"
       }
     },
-    "node_modules/node-fetch": {
-      "version": "2.7.0",
-      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.7.0.tgz",
-      "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
+    "node_modules/node-abi/node_modules/semver": {
+      "version": "7.6.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.3.tgz",
+      "integrity": "sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==",
       "dev": true,
-      "dependencies": {
-        "whatwg-url": "^5.0.0"
+      "bin": {
+        "semver": "bin/semver.js"
       },
       "engines": {
-        "node": "4.x || >=6.0.0"
-      },
-      "peerDependencies": {
-        "encoding": "^0.1.0"
-      },
-      "peerDependenciesMeta": {
-        "encoding": {
-          "optional": true
-        }
+        "node": ">=10"
       }
     },
-    "node_modules/node-fetch/node_modules/tr46": {
-      "version": "0.0.3",
-      "resolved": "https://registry.npmjs.org/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
-      "dev": true
-    },
-    "node_modules/node-fetch/node_modules/webidl-conversions": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
+    "node_modules/node-addon-api": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmjs.org/node-addon-api/-/node-addon-api-7.1.1.tgz",
+      "integrity": "sha512-5m3bsyrjFWE1xf7nz7YXdN4udnVtXK6/Yfgn5qnahL6bCkf2yKt4k3nuTKAtT4r3IG8JNR2ncsIMdZuAzJjHQQ==",
       "dev": true
     },
-    "node_modules/node-fetch/node_modules/whatwg-url": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/whatwg-url/-/whatwg-url-5.0.0.tgz",
-      "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
-      "dev": true,
+    "node_modules/node-cache": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmjs.org/node-cache/-/node-cache-5.1.2.tgz",
+      "integrity": "sha512-t1QzWwnk4sjLWaQAS8CHgOJ+RAfmHpxFWmc36IWTiWHQfs0w5JDMBS1b1ZxQteo0vVVuWJvIUKHDkkeK7vIGCg==",
+      "license": "MIT",
       "dependencies": {
-        "tr46": "~0.0.3",
-        "webidl-conversions": "^3.0.0"
+        "clone": "2.x"
+      },
+      "engines": {
+        "node": ">= 8.0.0"
       }
     },
     "node_modules/node-gyp": {
@@ -7880,68 +7998,12 @@
         "node": ">= 10.12.0"
       }
     },
-    "node_modules/node-gyp/node_modules/are-we-there-yet": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-3.0.1.tgz",
-      "integrity": "sha512-QZW4EDmGwlYur0Yyf/b2uGucHQMa8aFUP7eu9ddR73vvhFyt4V0Vl3QHPcTNJ8l6qYOBdxgXdnBXQrHilfRQBg==",
-      "deprecated": "This package is no longer supported.",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "delegates": "^1.0.0",
-        "readable-stream": "^3.6.0"
-      },
-      "engines": {
-        "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
-      }
-    },
-    "node_modules/node-gyp/node_modules/gauge": {
-      "version": "4.0.4",
-      "resolved": "https://registry.npmjs.org/gauge/-/gauge-4.0.4.tgz",
-      "integrity": "sha512-f9m+BEN5jkg6a0fZjleidjN51VE1X+mPFQ2DJ0uv1V39oCLCbsGe6yjbBnp7eK7z/+GAon99a3nHuqbuuthyPg==",
-      "deprecated": "This package is no longer supported.",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "aproba": "^1.0.3 || ^2.0.0",
-        "color-support": "^1.1.3",
-        "console-control-strings": "^1.1.0",
-        "has-unicode": "^2.0.1",
-        "signal-exit": "^3.0.7",
-        "string-width": "^4.2.3",
-        "strip-ansi": "^6.0.1",
-        "wide-align": "^1.1.5"
-      },
-      "engines": {
-        "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
-      }
-    },
-    "node_modules/node-gyp/node_modules/npmlog": {
-      "version": "6.0.2",
-      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-6.0.2.tgz",
-      "integrity": "sha512-/vBvz5Jfr9dT/aFWd0FIRf+T/Q2WBsLENygUaFUqstqsycmZAP/t5BvFJTK0viFmSUxiUKTUplWy5vt+rvKIxg==",
-      "deprecated": "This package is no longer supported.",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "are-we-there-yet": "^3.0.0",
-        "console-control-strings": "^1.1.0",
-        "gauge": "^4.0.3",
-        "set-blocking": "^2.0.0"
-      },
-      "engines": {
-        "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
-      }
-    },
     "node_modules/node-gyp/node_modules/semver": {
-      "version": "7.5.4",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-7.5.4.tgz",
-      "integrity": "sha512-1bCSESV6Pv+i21Hvpxp3Dx+pSD8lIPt8uVjRrxAUt/nbswYc+tK6Y2btiULjd4+fnq15PX+nqQDC7Oft7WkwcA==",
+      "version": "7.6.3",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-7.6.3.tgz",
+      "integrity": "sha512-oVekP1cKtI+CTDvHWYFUcMtsK/00wmAEfyqKfNdARm8u1wNVhSgaX7A8d4UuIlUI5e84iEwOhs7ZPYRmzU9U6A==",
       "dev": true,
       "optional": true,
-      "dependencies": {
-        "lru-cache": "^6.0.0"
-      },
       "bin": {
         "semver": "bin/semver.js"
       },
@@ -7966,6 +8028,7 @@
       "resolved": "https://registry.npmjs.org/nopt/-/nopt-5.0.0.tgz",
       "integrity": "sha512-Tbj67rffqceeLpcRXrT7vKAN8CwfPeIBgM7E6iBkmKLV7bEMwpGgYLGv0jACUsECaa/vuxP0IjEont6umdMgtQ==",
       "dev": true,
+      "optional": true,
       "dependencies": {
         "abbrev": "1"
       },
@@ -7998,16 +8061,20 @@
       }
     },
     "node_modules/npmlog": {
-      "version": "5.0.1",
-      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-5.0.1.tgz",
-      "integrity": "sha512-AqZtDUWOMKs1G/8lwylVjrdYgqA4d9nu8hc+0gzRxlDb1I10+FHBGMXs6aiQHFdCUUlqH99MUMuLfzWDNDtfxw==",
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/npmlog/-/npmlog-6.0.2.tgz",
+      "integrity": "sha512-/vBvz5Jfr9dT/aFWd0FIRf+T/Q2WBsLENygUaFUqstqsycmZAP/t5BvFJTK0viFmSUxiUKTUplWy5vt+rvKIxg==",
       "deprecated": "This package is no longer supported.",
       "dev": true,
+      "optional": true,
       "dependencies": {
-        "are-we-there-yet": "^2.0.0",
+        "are-we-there-yet": "^3.0.0",
         "console-control-strings": "^1.1.0",
-        "gauge": "^3.0.0",
+        "gauge": "^4.0.3",
         "set-blocking": "^2.0.0"
+      },
+      "engines": {
+        "node": "^12.13.0 || ^14.15.0 || >=16.0.0"
       }
     },
     "node_modules/nwsapi": {
@@ -8016,15 +8083,6 @@
       "integrity": "sha512-90yv+6538zuvUMnN+zCr8LuV6bPFdq50304114vJYJ8RDyK8D5O9Phpbd6SZWgI7PwzmmfN1upeOJlvybDSgCw==",
       "dev": true
     },
-    "node_modules/object-assign": {
-      "version": "4.1.1",
-      "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
-      "dev": true,
-      "engines": {
-        "node": ">=0.10.0"
-      }
-    },
     "node_modules/object-keys": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/object-keys/-/object-keys-1.1.1.tgz",
@@ -8325,6 +8383,32 @@
         "node": ">=4"
       }
     },
+    "node_modules/prebuild-install": {
+      "version": "7.1.2",
+      "resolved": "https://registry.npmjs.org/prebuild-install/-/prebuild-install-7.1.2.tgz",
+      "integrity": "sha512-UnNke3IQb6sgarcZIDU3gbMeTp/9SSU1DAIkil7PrqG1vZlBtY5msYccSKSHDqa3hNg436IXK+SNImReuA1wEQ==",
+      "dev": true,
+      "dependencies": {
+        "detect-libc": "^2.0.0",
+        "expand-template": "^2.0.3",
+        "github-from-package": "0.0.0",
+        "minimist": "^1.2.3",
+        "mkdirp-classic": "^0.5.3",
+        "napi-build-utils": "^1.0.1",
+        "node-abi": "^3.3.0",
+        "pump": "^3.0.0",
+        "rc": "^1.2.7",
+        "simple-get": "^4.0.0",
+        "tar-fs": "^2.0.0",
+        "tunnel-agent": "^0.6.0"
+      },
+      "bin": {
+        "prebuild-install": "bin.js"
+      },
+      "engines": {
+        "node": ">=10"
+      }
+    },
     "node_modules/prelude-ls": {
       "version": "1.2.1",
       "resolved": "https://registry.npmjs.org/prelude-ls/-/prelude-ls-1.2.1.tgz",
@@ -8360,6 +8444,12 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/process-nextick-args": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.1.tgz",
+      "integrity": "sha512-3ouUOpQhtgrbOa17J7+uxOTpITYWaGP7/AhoR3+A+/1e9skrzelGi/dXzEYyvbxubEF6Wn2ypscTKiKJFFn1ag==",
+      "dev": true
+    },
     "node_modules/promise-inflight": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/promise-inflight/-/promise-inflight-1.0.1.tgz",
@@ -8400,6 +8490,16 @@
       "integrity": "sha512-E/ZsdU4HLs/68gYzgGTkMicWTLPdAftJLfJFlLUAAKZGkStNU72sZjT66SnMDVOfOWY/YAoiD7Jxa9iHvngcag==",
       "dev": true
     },
+    "node_modules/pump": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/pump/-/pump-3.0.2.tgz",
+      "integrity": "sha512-tUPXtzlGM8FE3P0ZL6DVs/3P58k9nk8/jZeQCurTJylQA8qFYzHFfhBJkuqyE0FifOsQ0uKWekiZ5g8wtr28cw==",
+      "dev": true,
+      "dependencies": {
+        "end-of-stream": "^1.1.0",
+        "once": "^1.3.1"
+      }
+    },
     "node_modules/punycode": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
@@ -8445,6 +8545,30 @@
         }
       ]
     },
+    "node_modules/rc": {
+      "version": "1.2.8",
+      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
+      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
+      "dev": true,
+      "dependencies": {
+        "deep-extend": "^0.6.0",
+        "ini": "~1.3.0",
+        "minimist": "^1.2.0",
+        "strip-json-comments": "~2.0.1"
+      },
+      "bin": {
+        "rc": "cli.js"
+      }
+    },
+    "node_modules/rc/node_modules/strip-json-comments": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
+      "integrity": "sha512-4gB8na07fecVVkOI6Rs4e7T6NOTki5EmL7TUduTs6bu3EdnSycntVJ4re8kgZA+wx9IueI2Y11bfbgwtzuE0KQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/react-is": {
       "version": "17.0.2",
       "resolved": "https://registry.npmjs.org/react-is/-/react-is-17.0.2.tgz",
@@ -8721,7 +8845,8 @@
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/set-blocking/-/set-blocking-2.0.0.tgz",
       "integrity": "sha512-KiKBS8AnWGEyLzofFfmvKwpdPzqiy16LvQfK3yv/fVH7Bj13/wl3JSR1J+rfgRE9q7xUJK4qvgS8raSOeLUehw==",
-      "dev": true
+      "dev": true,
+      "optional": true
     },
     "node_modules/shebang-command": {
       "version": "2.0.0",
@@ -8750,6 +8875,51 @@
       "integrity": "sha512-wnD2ZE+l+SPC/uoS0vXeE9L1+0wuaMqKlfz9AMUo38JsyLSBWSFcHR1Rri62LZc12vLr1gb3jl7iwQhgwpAbGQ==",
       "dev": true
     },
+    "node_modules/simple-concat": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.1.tgz",
+      "integrity": "sha512-cSFtAPtRhljv69IK0hTVZQ+OfE9nePi/rtJmw5UjHeVyVroEqJXP1sFztKUy1qU+xvz3u/sfYJLa947b7nAN2Q==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ]
+    },
+    "node_modules/simple-get": {
+      "version": "4.0.1",
+      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-4.0.1.tgz",
+      "integrity": "sha512-brv7p5WgH0jmQJr1ZDDfKDOSeWWg+OVypG99A/5vYGPqJ6pxiaHLy8nxtFjBA7oMa01ebA9gfh1uMCFqOuXxvA==",
+      "dev": true,
+      "funding": [
+        {
+          "type": "github",
+          "url": "https://github.com/sponsors/feross"
+        },
+        {
+          "type": "patreon",
+          "url": "https://www.patreon.com/feross"
+        },
+        {
+          "type": "consulting",
+          "url": "https://feross.org/support"
+        }
+      ],
+      "dependencies": {
+        "decompress-response": "^6.0.0",
+        "once": "^1.3.1",
+        "simple-concat": "^1.0.0"
+      }
+    },
     "node_modules/sisteransi": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/sisteransi/-/sisteransi-1.0.5.tgz",
@@ -8837,14 +9007,15 @@
       "dev": true
     },
     "node_modules/sqlite3": {
-      "version": "5.1.6",
-      "resolved": "https://registry.npmjs.org/sqlite3/-/sqlite3-5.1.6.tgz",
-      "integrity": "sha512-olYkWoKFVNSSSQNvxVUfjiVbz3YtBwTJj+mfV5zpHmqW3sELx2Cf4QCdirMelhM5Zh+KDVaKgQHqCxrqiWHybw==",
+      "version": "5.1.7",
+      "resolved": "https://registry.npmjs.org/sqlite3/-/sqlite3-5.1.7.tgz",
+      "integrity": "sha512-GGIyOiFaG+TUra3JIfkI/zGP8yZYLPQ0pl1bH+ODjiX57sPhrLU5sQJn1y9bDKZUFYkX1crlrPfSYt0BKKdkog==",
       "dev": true,
       "hasInstallScript": true,
       "dependencies": {
-        "@mapbox/node-pre-gyp": "^1.0.0",
-        "node-addon-api": "^4.2.0",
+        "bindings": "^1.5.0",
+        "node-addon-api": "^7.0.0",
+        "prebuild-install": "^7.1.1",
         "tar": "^6.1.11"
       },
       "optionalDependencies": {
@@ -8872,19 +9043,6 @@
         "node": ">= 8"
       }
     },
-    "node_modules/ssri/node_modules/minipass": {
-      "version": "3.3.6",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.3.6.tgz",
-      "integrity": "sha512-DxiNidxSEK+tHG6zOIklvNOwm3hvCrbUrdtzY74U6HKTJxvIDfOUL5W5P2Ghd3DTkhhKPYGqeNUIh5qcM4YBfw==",
-      "dev": true,
-      "optional": true,
-      "dependencies": {
-        "yallist": "^4.0.0"
-      },
-      "engines": {
-        "node": ">=8"
-      }
-    },
     "node_modules/stack-utils": {
       "version": "2.0.5",
       "resolved": "https://registry.npmjs.org/stack-utils/-/stack-utils-2.0.5.tgz",
@@ -9090,6 +9248,49 @@
         "node": ">=10"
       }
     },
+    "node_modules/tar-fs": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmjs.org/tar-fs/-/tar-fs-2.1.1.tgz",
+      "integrity": "sha512-V0r2Y9scmbDRLCNex/+hYzvp/zyYjvFbHPNgVTKfQvVrb6guiE/fxP+XblDNR011utopbkex2nM4dHNV6GDsng==",
+      "dev": true,
+      "dependencies": {
+        "chownr": "^1.1.1",
+        "mkdirp-classic": "^0.5.2",
+        "pump": "^3.0.0",
+        "tar-stream": "^2.1.4"
+      }
+    },
+    "node_modules/tar-fs/node_modules/chownr": {
+      "version": "1.1.4",
+      "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+      "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
+      "dev": true
+    },
+    "node_modules/tar-stream": {
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-2.2.0.tgz",
+      "integrity": "sha512-ujeqbceABgwMZxEJnk2HDY2DlnUZ+9oEcb1KzTVfYHio0UE6dG71n60d8D2I4qNvleWrrXpmjpt7vZeF1LnMZQ==",
+      "dev": true,
+      "dependencies": {
+        "bl": "^4.0.3",
+        "end-of-stream": "^1.4.1",
+        "fs-constants": "^1.0.0",
+        "inherits": "^2.0.3",
+        "readable-stream": "^3.1.1"
+      },
+      "engines": {
+        "node": ">=6"
+      }
+    },
+    "node_modules/tar/node_modules/minipass": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-5.0.0.tgz",
+      "integrity": "sha512-3FnjYuehv9k6ovOEbyOswadCDPX1piCfhV8ncmYtHOjuPwylVWsghTLo7rabjC3Rx5xD4HDx8Wm1xnMF7S5qFQ==",
+      "dev": true,
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/terminal-link": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/terminal-link/-/terminal-link-2.1.1.tgz",
@@ -9212,6 +9413,18 @@
         "typescript": ">=2.7"
       }
     },
+    "node_modules/tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha512-McnNiV1l8RYeY8tBgEpuodCC1mLUdbSN+CYBL7kJsJNInOP8UjDDEwdk6Mw60vdLLrr5NHKZhMAOSrR2NZuQ+w==",
+      "dev": true,
+      "dependencies": {
+        "safe-buffer": "^5.0.1"
+      },
+      "engines": {
+        "node": "*"
+      }
+    },
     "node_modules/type-check": {
       "version": "0.4.0",
       "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.4.0.tgz",
@@ -9336,6 +9549,19 @@
         "node": ">= 4.0.0"
       }
     },
+    "node_modules/unzipper": {
+      "version": "0.12.3",
+      "resolved": "https://registry.npmjs.org/unzipper/-/unzipper-0.12.3.tgz",
+      "integrity": "sha512-PZ8hTS+AqcGxsaQntl3IRBw65QrBI6lxzqDEL7IAo/XCEqRTKGfOX56Vea5TH9SZczRVxuzk1re04z/YjuYCJA==",
+      "dev": true,
+      "dependencies": {
+        "bluebird": "~3.7.2",
+        "duplexer2": "~0.1.4",
+        "fs-extra": "^11.2.0",
+        "graceful-fs": "^4.2.2",
+        "node-int64": "^0.4.0"
+      }
+    },
     "node_modules/update-browserslist-db": {
       "version": "1.0.9",
       "resolved": "https://registry.npmjs.org/update-browserslist-db/-/update-browserslist-db-1.0.9.tgz",
@@ -9499,6 +9725,7 @@
       "resolved": "https://registry.npmjs.org/wide-align/-/wide-align-1.1.5.tgz",
       "integrity": "sha512-eDMORYaPNZ4sQIuuYPDHdQvf4gyCF9rEEV/yPxGfwPkRodwEgiMUUXTx/dex+Me0wxx53S+NgUHaP7y3MGlDmg==",
       "dev": true,
+      "optional": true,
       "dependencies": {
         "string-width": "^1.0.2 || 2 || 3 || 4"
       }
diff --git a/package.json b/package.json
index 4b14267..1ef2bf3 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@themost/data",
-  "version": "2.16.1",
+  "version": "2.17.0",
   "description": "MOST Web Framework Codename Blueshift - Data module",
   "main": "index.js",
   "scripts": {
@@ -44,7 +44,7 @@
     "@themost/common": "^2.10.4",
     "@themost/peers": "^1.0.2",
     "@themost/query": "^2.14.7",
-    "@themost/sqlite": "^2.6.16",
+    "@themost/sqlite": "^2.8.4",
     "@themost/xml": "^2.5.2",
     "@types/core-js": "^2.5.0",
     "@types/jest": "^27.4.1",
diff --git a/spec/JsonAttribute.spec.ts b/spec/JsonAttribute.spec.ts
new file mode 100644
index 0000000..34b6554
--- /dev/null
+++ b/spec/JsonAttribute.spec.ts
@@ -0,0 +1,153 @@
+import {TestApplication2} from './TestApplication';
+import {DataContext} from '../types';
+import { TestUtils } from "./adapter/TestUtils";
+
+describe('JsonAttribute', () => {
+
+    let app: TestApplication2;
+    let context: DataContext;
+    beforeAll((done) => {
+        app = new TestApplication2();
+        context = app.createContext();
+        return done();
+    });
+    afterAll(async () => {
+        await context.finalizeAsync();
+        await app.finalize();
+    });
+
+    it('should select json attribute', async () => {
+        const Products = context.model('Product').silent();
+        const items = await Products.asQueryable().select(
+            'id', 'name', 'metadata/color as color'
+        ).take(10).getItems();
+        expect(items).toBeTruthy();
+        expect(items.length).toBeGreaterThan(0);
+    });
+
+    it('should update json attribute', async () => {
+        await TestUtils.executeInTransaction(context, async () => {
+            const Products = context.model('Product').silent();
+            let item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)').getItem()
+            expect(item).toBeTruthy();
+            item.metadata = {
+                color: 'silver'
+            }
+            await Products.save(item);
+            expect(item.dateCreated).toBeTruthy();
+            item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)')
+                .select('metadata/color as color','metadata/dateCreated as dateCreated').getItem();
+            expect(item).toBeTruthy();
+            expect(item.color).toBe('silver');
+            expect(item.dateCreated).toBeTruthy();
+            item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)').getItem();
+            expect(item).toBeTruthy();
+            expect(item.metadata).toBeTruthy();
+        });
+    });
+
+    it('should update json structured value', async () => {
+        await TestUtils.executeInTransaction(context, async () => {
+            const Products = context.model('Product').silent();
+            let item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)').getItem()
+            expect(item).toBeTruthy();
+            item.metadata = {
+                color: 'silver',
+                audience: {
+                    name: 'New customers',
+                    description: 'New customers who have never purchased before',
+                    audienceType: 'B2C',
+                    geographicArea: 'Worldwide'
+                }
+            }
+            await Products.save(item);
+            item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)').getItem();
+            expect(item).toBeTruthy();
+            expect(item.metadata).toBeTruthy();
+            expect(item.metadata.audience).toBeTruthy();
+            item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)')
+                .select('metadata/audience/name as audienceName').getItem();
+            expect(item).toBeTruthy();
+            expect(item.audienceName).toBe('New customers');
+        });
+    });
+
+    it('should select json nested value', async () => {
+        await TestUtils.executeInTransaction(context, async () => {
+            const Products = context.model('Product').silent();
+            let item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)').getItem()
+            expect(item).toBeTruthy();
+            item.metadata = {
+                color: 'silver',
+                audience: {
+                    name: 'New customers',
+                    description: 'New customers who have never purchased before',
+                    audienceType: 'B2C',
+                    geographicArea: 'Worldwide'
+                }
+            }
+            await Products.save(item);
+            item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)').getItem();
+            expect(item).toBeTruthy();
+            expect(item.metadata).toBeTruthy();
+            expect(item.metadata.audience).toBeTruthy();
+            item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)')
+                .select('metadata/audience as audience').getItem();
+            expect(item).toBeTruthy();
+            expect(item.audience.name).toBe('New customers');
+        });
+    });
+
+    it('should throw error on invalid json', async () => {
+        await TestUtils.executeInTransaction(context, async () => {
+            const Products = context.model('Product').silent();
+            let item = await Products.where('name').equal('Apple MacBook Air (13.3-inch, 2013 Version)').getItem()
+            expect(item).toBeTruthy();
+            item.metadata = {
+                color: 'silver',
+                message : 'hello'
+            }
+            await expect(Products.save(item)).rejects.toThrow('The given structured value seems to be invalid. The property \'message\' is not defined in the target model.');
+        });
+    });
+
+    it('should select json attribute from $select', async () => {
+        const Products = context.model('Product').silent();
+        const options = {
+            $select: 'id,name,metadata/color as color',
+            $top: 10
+        }
+        const q = await Products.filterAsync(options);
+        const items = await q.getItems();
+        expect(items).toBeTruthy();
+        expect(items.length).toBeGreaterThan(0);
+    });
+
+    it('should use json attribute in aggregate functions', async () => {
+        await TestUtils.executeInTransaction(context, async () => {
+            const Products = context.model('Product').silent();
+            let items = await Products.asQueryable().select('id', 'metadata').where('category').equal('Laptops')
+                //.and('id').equal(19)
+                //.take(20)
+                .getItems();
+            expect(items).toBeTruthy();
+            const colors = ['silver', 'black', 'white', 'red', 'blue'];
+            items.forEach(item => {
+                item.metadata = {
+                    color: colors[Math.floor(Math.random() * colors.length)]
+                }
+            });
+            for (const item of items) {
+                await Products.save(item);
+            }
+            items = await Products.asQueryable().select(
+                'count(metadata/color) as total',
+                'metadata/color as color'
+            ).groupBy(
+                'metadata/color'
+            ).getItems();
+            expect(items).toBeTruthy();
+       });
+    });
+
+});
diff --git a/spec/test2/config/models/Audience.json b/spec/test2/config/models/Audience.json
new file mode 100644
index 0000000..68f23ca
--- /dev/null
+++ b/spec/test2/config/models/Audience.json
@@ -0,0 +1,36 @@
+{
+  "$schema": "https://themost-framework.github.io/themost/models/2018/2/schema.json",
+  "@id": "https://schema.org/Audience",
+  "name": "Audience",
+  "description": "Intended audience for an item, i.e. the group for whom the item was created.",
+  "title": "Audience",
+  "abstract": false,
+  "sealed": false,
+  "implements": "Intangible",
+  "version": "1.0",
+  "fields": [
+    {
+      "name": "audienceType",
+      "title": "Audience Type",
+      "description": "The target group associated with a given audience (e.g. veterans, car owners, musicians, etc.).",
+      "type": "Text"
+    },
+    {
+      "name": "geographicArea",
+      "title": "Geographic Area",
+      "description": "The geographic area associated with the audience.",
+      "type": "Text"
+    }
+  ],
+  "privileges": [
+    {
+      "mask": 15,
+      "type": "global"
+    },
+    {
+      "mask": 15,
+      "type": "global",
+      "account": "Administrators"
+    }
+  ]
+}
diff --git a/spec/test2/config/models/Product.json b/spec/test2/config/models/Product.json
index 2cb3275..c32219f 100644
--- a/spec/test2/config/models/Product.json
+++ b/spec/test2/config/models/Product.json
@@ -223,6 +223,12 @@
                     "associationType": "association",
                     "cascade": "delete"
                 }
+            },
+            {
+                "name": "metadata",
+                "many": false,
+                "type": "Json",
+                "additionalType": "ProductMetadata"
             }
     ],
     "constraints": [
diff --git a/spec/test2/config/models/ProductMetadata.json b/spec/test2/config/models/ProductMetadata.json
new file mode 100644
index 0000000..2de0e53
--- /dev/null
+++ b/spec/test2/config/models/ProductMetadata.json
@@ -0,0 +1,71 @@
+{
+    "$schema": "https://themost-framework.github.io/themost/models/2018/2/schema.json",
+    "title": "Product Metadata",
+    "name": "ProductMetadata",
+    "abstract": true,
+    "version": "1.0.0",
+    "fields": [
+        {
+            "name": "color",
+            "title": "Color",
+            "description": "A color related to the product.",
+            "type": "Text"
+        },
+        {
+            "name": "mpn",
+            "title": "Manufacturer Part Number",
+            "description": "The manufacturer part number (MPN) of the product.",
+            "type": "Text"
+        },
+        {
+            "name": "slogan",
+            "title": "Slogan",
+            "description": "A slogan or tagline associated with the product.",
+            "type": "Text"
+        },
+        {
+            "@id": "https://themost.io/schemas/dateCreated",
+            "name": "dateCreated",
+            "title": "dateCreated",
+            "description": "The date on which this item was created.",
+            "type": "DateTime",
+            "readonly": true,
+            "value": "javascript:return new Date();",
+            "calculation": "javascript:return (new Date());"
+        },
+        {
+            "@id": "https://themost.io/schemas/dateModified",
+            "name": "dateModified",
+            "title": "dateModified",
+            "description": "The date on which this item was most recently modified.",
+            "type": "DateTime",
+            "readonly": true,
+            "value": "javascript:return (new Date());",
+            "calculation": "javascript:return (new Date());"
+        },
+        {
+            "@id": "https://schema.org/Audience",
+            "name": "audience",
+            "title": "Audience",
+            "description": "An intended audience associated with the product.",
+            "type": "Json",
+            "additionalType": "Audience"
+        }
+    ],
+    "privileges": [
+        {
+            "mask": 1,
+            "type": "global",
+            "account": "*"
+        },
+        {
+            "mask": 15,
+            "type": "global"
+        },
+        {
+            "mask": 15,
+            "type": "global",
+            "account": "Administrators"
+        }
+    ]
+}
\ No newline at end of file