Implemented

src/utils/contracts.ts

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+import { CompressionMethod } from "./cacheUtils";
+import { TypedResponse } from "@actions/http-client/lib/interfaces";
+import { HttpClientError } from "@actions/http-client";
+
+export interface ITypedResponseWithError<T> extends TypedResponse<T> {
+    error?: HttpClientError;
+}
+
+export interface ArtifactCacheEntry {
+    cacheKey?: string;
+    scope?: string;
+    creationTime?: string;
+    archiveLocation?: string;
+}
+
+export interface CommitCacheRequest {
+    size: number;
+}
+
+export interface ReserveCacheRequest {
+    key: string;
+    version?: string;
+    cacheSize?: number;
+}
+
+export interface ReserveCacheResponse {
+    cacheId: number;
+}
+
+export interface InternalCacheOptions {
+    compressionMethod?: CompressionMethod;
+    cacheSize?: number;
+}
+
+
+/**
+ * Options to control cache upload
+ */
+export interface UploadOptions {
+    /**
+     * Number of parallel cache upload
+     *
+     * @default 4
+     */
+    uploadConcurrency?: number
+    /**
+     * Maximum chunk size in bytes for cache upload
+     *
+     * @default 32MB
+     */
+    uploadChunkSize?: number
+  }
+  
+  /**
+   * Options to control cache download
+   */
+  export interface DownloadOptions {
+    /**
+     * Indicates whether to use the Azure Blob SDK to download caches
+     * that are stored on Azure Blob Storage to improve reliability and
+     * performance
+     *
+     * @default true
+     */
+    useAzureSdk?: boolean
+  
+    /**
+     * Number of parallel downloads (this option only applies when using
+     * the Azure SDK)
+     *
+     * @default 8
+     */
+    downloadConcurrency?: number
+  
+    /**
+     * Maximum time for each download request, in milliseconds (this
+     * option only applies when using the Azure SDK)
+     *
+     * @default 30000
+     */
+    timeoutInMs?: number,
+
+    lookupOnly?: boolean
+  }