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interface KVNamespace<K extends string = string> {  get(    key: K,    options?: Partial<KVNamespaceGetOptions<undefined>>  ): Promise<string | null>;  get(key: K, type: "text"): Promise<string | null>;  get<ExpectedValue = unknown>(    key: K,    type: "json"  ): Promise<ExpectedValue | null>;  get(key: K, type: "arrayBuffer"): Promise<ArrayBuffer | null>;  get(key: K, type: "stream"): Promise<ReadableStream | null>;  get(key: K, options: KVNamespaceGetOptions<"text">): Promise<string | null>;  get<ExpectedValue = unknown>(    key: string,    options: KVNamespaceGetOptions<"json">  ): Promise<ExpectedValue | null>;  get(    key: K,    options: KVNamespaceGetOptions<"arrayBuffer">  ): Promise<ArrayBuffer | null>;  get(    key: K,    options: KVNamespaceGetOptions<"stream">  ): Promise<ReadableStream | null>;  list<Metadata = unknown>(    options?: KVNamespaceListOptions  ): Promise<KVNamespaceListResult<Metadata>>;  /**   * Creates a new key-value pair, or updates the value for a particular key.   * @param key key to associate with the value. A key cannot be empty, `.` or `..`. All other keys are valid.   * @param value value to store. The type is inferred. The maximum size of a value is 25MB.   * @returns Returns a `Promise` that you should `await` on in order to verify a successful update.   * @example   * await NAMESPACE.put(key, value);   */  put(    key: K,    value: string | ArrayBuffer | ArrayBufferView | ReadableStream,    options?: KVNamespacePutOptions  ): Promise<void>;  getWithMetadata<Metadata = unknown>(    key: K,    options?: Partial<KVNamespaceGetOptions<undefined>>  ): Promise<KVNamespaceGetWithMetadataResult<string, Metadata>>;  getWithMetadata<Metadata = unknown>(    key: K,    type: "text"  ): Promise<KVNamespaceGetWithMetadataResult<string, Metadata>>;  getWithMetadata<ExpectedValue = unknown, Metadata = unknown>(    key: K,    type: "json"  ): Promise<KVNamespaceGetWithMetadataResult<ExpectedValue, Metadata>>;  getWithMetadata<Metadata = unknown>(    key: K,    type: "arrayBuffer"  ): Promise<KVNamespaceGetWithMetadataResult<ArrayBuffer, Metadata>>;  getWithMetadata<Metadata = unknown>(    key: K,    type: "stream"  ): Promise<KVNamespaceGetWithMetadataResult<ReadableStream, Metadata>>;  getWithMetadata<Metadata = unknown>(    key: K,    options: KVNamespaceGetOptions<"text">  ): Promise<KVNamespaceGetWithMetadataResult<string, Metadata>>;  getWithMetadata<ExpectedValue = unknown, Metadata = unknown>(    key: K,    options: KVNamespaceGetOptions<"json">  ): Promise<KVNamespaceGetWithMetadataResult<ExpectedValue, Metadata>>;  getWithMetadata<Metadata = unknown>(    key: K,    options: KVNamespaceGetOptions<"arrayBuffer">  ): Promise<KVNamespaceGetWithMetadataResult<ArrayBuffer, Metadata>>;  getWithMetadata<Metadata = unknown>(    key: K,    options: KVNamespaceGetOptions<"stream">  ): Promise<KVNamespaceGetWithMetadataResult<ReadableStream, Metadata>>;  delete(name: string): Promise<void>;}
interface KVNamespaceGetOptions<Type> {  type: Type;  cacheTtl?: number;}
interface KVNamespaceGetWithMetadataResult<Value, Metadata> {  value: Value | null;  metadata: Metadata | null;}
interface KVNamespaceListKey<Metadata> {  name: string;  expiration?: number;  metadata?: Metadata;}
interface KVNamespaceListOptions {  limit?: number;  prefix?: string | null;  cursor?: string | null;}
interface KVNamespaceListResult<Metadata> {  keys: KVNamespaceListKey<Metadata>[];  list_complete: boolean;  cursor?: string;}
interface KVNamespacePutOptions {  expiration?: number;  expirationTtl?: number;  metadata?: any | null;}