From 062685c19ca0468747f60072e8958ccd13f63d0e Mon Sep 17 00:00:00 2001
From: Shawn Callegari <36091529+shawncal@users.noreply.github.com>
Date: Tue, 8 Aug 2023 09:09:15 -0700
Subject: [PATCH] .Net: Removing unused files (#2353)

### Description

Cleaning up files no longer in use.

### Contribution Checklist

<!-- Before submitting this PR, please make sure: -->

- [X] The code builds clean without any errors or warnings
- [X] The PR follows the [SK Contribution
Guidelines](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md)
and the [pre-submission formatting
script](https://github.com/microsoft/semantic-kernel/blob/main/CONTRIBUTING.md#development-scripts)
raises no violations
- [X] All unit tests pass, and I have added new tests where possible
- [X] I didn't break anyone :smile:

Co-authored-by: Dmytro Struk <13853051+dmytrostruk@users.noreply.github.com>
---
 .../AI/Embeddings/IEmbeddingIndex.cs          | 53 -------------------
 .../AI/Embeddings/IEmbeddingWithMetadata.cs   | 21 --------
 .../ContextVariablesExtensions.cs             | 21 --------
 3 files changed, 95 deletions(-)
 delete mode 100644 dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingIndex.cs
 delete mode 100644 dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingWithMetadata.cs
 delete mode 100644 dotnet/src/SemanticKernel/Orchestration/ContextVariablesExtensions.cs

diff --git a/dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingIndex.cs b/dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingIndex.cs
deleted file mode 100644
index 86de0b5ff697..000000000000
--- a/dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingIndex.cs
+++ /dev/null
@@ -1,53 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-using System.Collections.Generic;
-using System.Threading.Tasks;
-using Microsoft.SemanticKernel.Diagnostics;
-
-namespace Microsoft.SemanticKernel.AI.Embeddings;
-
-/// <summary>
-/// Represents an searchable index of <see cref="Embedding{TEmbedding}"/> structs.
-/// </summary>
-/// <typeparam name="TEmbedding">The data type of the embedding.</typeparam>
-public interface IEmbeddingIndex<TEmbedding>
-    where TEmbedding : unmanaged
-{
-    /// <summary>
-    /// Gets the nearest matches to the <see cref="Embedding{TEmbedding}"/>.
-    /// </summary>
-    /// <param name="collection">The storage collection to search.</param>
-    /// <param name="embedding">The input <see cref="Embedding{TEmbedding}"/> to use as the search.</param>
-    /// <param name="limit">The max number of results to return.</param>
-    /// <param name="minRelevanceScore">The minimum score to consider in the distance calculation.</param>
-    /// <returns>A tuple consisting of the <see cref="IEmbeddingWithMetadata{TEmbedding}"/> and the similarity score as a <see cref="double"/>.</returns>
-    IAsyncEnumerable<(IEmbeddingWithMetadata<TEmbedding>, double)> GetNearestMatchesAsync(
-        string collection,
-        Embedding<TEmbedding> embedding,
-        int limit = 1,
-        double minRelevanceScore = 0.0);
-}
-
-/// <summary>
-/// Common extension methods for <see cref="IEmbeddingIndex{TEmbedding}"/> objects.
-/// </summary>
-public static class EmbeddingIndexExtensions
-{
-    /// <summary>
-    /// Searches the index for the nearest match to the <see cref="Embedding{TEmbedding}"/>.
-    /// </summary>
-    public static async Task<(IEmbeddingWithMetadata<TEmbedding>, double)> GetNearestMatchAsync<TEmbedding>(this IEmbeddingIndex<TEmbedding> index,
-        string collection,
-        Embedding<TEmbedding> embedding,
-        double minScore = 0.0)
-        where TEmbedding : unmanaged
-    {
-        Verify.NotNull(index);
-        await foreach (var match in index.GetNearestMatchesAsync(collection, embedding, 1, minScore))
-        {
-            return match;
-        }
-
-        return default;
-    }
-}
diff --git a/dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingWithMetadata.cs b/dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingWithMetadata.cs
deleted file mode 100644
index 2d0b6e704263..000000000000
--- a/dotnet/src/SemanticKernel/AI/Embeddings/IEmbeddingWithMetadata.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-namespace Microsoft.SemanticKernel.AI.Embeddings;
-
-/// <summary>
-/// Represents an object that has an <see cref="Embedding{TEmbedding}"/>.
-/// </summary>
-/// <typeparam name="TEmbedding">The embedding data type.</typeparam>
-public interface IEmbeddingWithMetadata<TEmbedding>
-    where TEmbedding : unmanaged
-{
-    /// <summary>
-    /// Gets the <see cref="Embedding{TEmbedding}"/>.
-    /// </summary>
-    Embedding<TEmbedding> Embedding { get; }
-
-    /// <summary>
-    /// Returns a string representing the metadata.
-    /// </summary>
-    string GetSerializedMetadata();
-}
diff --git a/dotnet/src/SemanticKernel/Orchestration/ContextVariablesExtensions.cs b/dotnet/src/SemanticKernel/Orchestration/ContextVariablesExtensions.cs
deleted file mode 100644
index 4f2891c7f10c..000000000000
--- a/dotnet/src/SemanticKernel/Orchestration/ContextVariablesExtensions.cs
+++ /dev/null
@@ -1,21 +0,0 @@
-// Copyright (c) Microsoft. All rights reserved.
-
-// ReSharper disable once CheckNamespace - Using NS of SKContext
-
-namespace Microsoft.SemanticKernel.Orchestration;
-
-/// <summary>
-/// Class that holds extension methods for ContextVariables.
-/// </summary>
-public static class ContextVariablesExtensions
-{
-    /// <summary>
-    /// Simple extension method to turn a string into a <see cref="ContextVariables"/> instance.
-    /// </summary>
-    /// <param name="text">The text to transform</param>
-    /// <returns>An instance of <see cref="ContextVariables"/></returns>
-    public static ContextVariables ToContextVariables(this string text)
-    {
-        return new ContextVariables(text);
-    }
-}