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node_modules/@anthropic-ai/sdk/lib/MessageStream.d.ts

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+import { AnthropicError, APIUserAbortError } from "../error.js";
+import { type ContentBlock, Messages, type Message, type MessageStreamEvent, type MessageParam, type MessageCreateParams, type MessageCreateParamsBase, type TextCitation, type ToolUseBlock, type ServerToolUseBlock } from "../resources/messages.js";
+import { RequestOptions } from "../internal/request-options.js";
+import type { Logger } from "../client.js";
+import { type ParsedMessage } from "./parser.js";
+export interface MessageStreamEvents<ParsedT = null> {
+    connect: () => void;
+    streamEvent: (event: MessageStreamEvent, snapshot: Message) => void;
+    text: (textDelta: string, textSnapshot: string) => void;
+    citation: (citation: TextCitation, citationsSnapshot: TextCitation[]) => void;
+    inputJson: (partialJson: string, jsonSnapshot: unknown) => void;
+    thinking: (thinkingDelta: string, thinkingSnapshot: string) => void;
+    signature: (signature: string) => void;
+    message: (message: ParsedMessage<ParsedT>) => void;
+    contentBlock: (content: ContentBlock) => void;
+    finalMessage: (message: ParsedMessage<ParsedT>) => void;
+    error: (error: AnthropicError) => void;
+    abort: (error: APIUserAbortError) => void;
+    end: () => void;
+}
+export type TracksToolInput = ToolUseBlock | ServerToolUseBlock;
+export declare class MessageStream<ParsedT = null> implements AsyncIterable<MessageStreamEvent> {
+    #private;
+    messages: MessageParam[];
+    receivedMessages: ParsedMessage<ParsedT>[];
+    controller: AbortController;
+    constructor(params: MessageCreateParamsBase | null, opts?: {
+        logger?: Logger | undefined;
+    });
+    get response(): Response | null | undefined;
+    get request_id(): string | null | undefined;
+    /**
+     * Returns the `MessageStream` data, the raw `Response` instance and the ID of the request,
+     * returned vie the `request-id` header which is useful for debugging requests and resporting
+     * issues to Anthropic.
+     *
+     * This is the same as the `APIPromise.withResponse()` method.
+     *
+     * This method will raise an error if you created the stream using `MessageStream.fromReadableStream`
+     * as no `Response` is available.
+     */
+    withResponse(): Promise<{
+        data: MessageStream<ParsedT>;
+        response: Response;
+        request_id: string | null | undefined;
+    }>;
+    /**
+     * Intended for use on the frontend, consuming a stream produced with
+     * `.toReadableStream()` on the backend.
+     *
+     * Note that messages sent to the model do not appear in `.on('message')`
+     * in this context.
+     */
+    static fromReadableStream(stream: ReadableStream): MessageStream;
+    static createMessage<ParsedT>(messages: Messages, params: MessageCreateParamsBase, options?: RequestOptions, { logger }?: {
+        logger?: Logger | undefined;
+    }): MessageStream<ParsedT>;
+    protected _run(executor: () => Promise<any>): void;
+    protected _addMessageParam(message: MessageParam): void;
+    protected _addMessage(message: ParsedMessage<ParsedT>, emit?: boolean): void;
+    protected _createMessage(messages: Messages, params: MessageCreateParams, options?: RequestOptions): Promise<void>;
+    protected _connected(response: Response | null): void;
+    get ended(): boolean;
+    get errored(): boolean;
+    get aborted(): boolean;
+    abort(): void;
+    /**
+     * Adds the listener function to the end of the listeners array for the event.
+     * No checks are made to see if the listener has already been added. Multiple calls passing
+     * the same combination of event and listener will result in the listener being added, and
+     * called, multiple times.
+     * @returns this MessageStream, so that calls can be chained
+     */
+    on<Event extends keyof MessageStreamEvents<ParsedT>>(event: Event, listener: MessageStreamEvents<ParsedT>[Event]): this;
+    /**
+     * Removes the specified listener from the listener array for the event.
+     * off() will remove, at most, one instance of a listener from the listener array. If any single
+     * listener has been added multiple times to the listener array for the specified event, then
+     * off() must be called multiple times to remove each instance.
+     * @returns this MessageStream, so that calls can be chained
+     */
+    off<Event extends keyof MessageStreamEvents<ParsedT>>(event: Event, listener: MessageStreamEvents<ParsedT>[Event]): this;
+    /**
+     * Adds a one-time listener function for the event. The next time the event is triggered,
+     * this listener is removed and then invoked.
+     * @returns this MessageStream, so that calls can be chained
+     */
+    once<Event extends keyof MessageStreamEvents<ParsedT>>(event: Event, listener: MessageStreamEvents<ParsedT>[Event]): this;
+    /**
+     * This is similar to `.once()`, but returns a Promise that resolves the next time
+     * the event is triggered, instead of calling a listener callback.
+     * @returns a Promise that resolves the next time given event is triggered,
+     * or rejects if an error is emitted.  (If you request the 'error' event,
+     * returns a promise that resolves with the error).
+     *
+     * Example:
+     *
+     *   const message = await stream.emitted('message') // rejects if the stream errors
+     */
+    emitted<Event extends keyof MessageStreamEvents<ParsedT>>(event: Event): Promise<Parameters<MessageStreamEvents<ParsedT>[Event]> extends [infer Param] ? Param : Parameters<MessageStreamEvents<ParsedT>[Event]> extends [] ? void : Parameters<MessageStreamEvents<ParsedT>[Event]>>;
+    done(): Promise<void>;
+    get currentMessage(): Message | undefined;
+    /**
+     * @returns a promise that resolves with the the final assistant Message response,
+     * or rejects if an error occurred or the stream ended prematurely without producing a Message.
+     * If structured outputs were used, this will be a ParsedMessage with a `parsed_output` field.
+     */
+    finalMessage(): Promise<ParsedMessage<ParsedT>>;
+    /**
+     * @returns a promise that resolves with the the final assistant Message's text response, concatenated
+     * together if there are more than one text blocks.
+     * Rejects if an error occurred or the stream ended prematurely without producing a Message.
+     */
+    finalText(): Promise<string>;
+    protected _emit<Event extends keyof MessageStreamEvents<ParsedT>>(event: Event, ...args: Parameters<MessageStreamEvents<ParsedT>[Event]>): void;
+    protected _emitFinal(): void;
+    protected _fromReadableStream(readableStream: ReadableStream, options?: RequestOptions): Promise<void>;
+    [Symbol.asyncIterator](): AsyncIterator<MessageStreamEvent>;
+    toReadableStream(): ReadableStream;
+}
+//# sourceMappingURL=MessageStream.d.ts.map