import { Readable } from 'node:stream';
import { type CallbackWithPromise } from '../../apis/callbacks.ts';
import { type Message } from '../../protocol/records.ts';
import { kAutocommit, kInstance, kRefreshOffsetsAndFetch } from '../../symbols.ts';
import { kInspect } from '../base/base.ts';
import { type Consumer } from './consumer.ts';
import { type CommitOptionsPartition, type ConsumeOptions } from './types.ts';
export declare function noopDeserializer(data?: Buffer): Buffer | undefined;
export declare function defaultCorruptedMessageHandler(): boolean;
export declare class MessagesStream<Key, Value, HeaderKey, HeaderValue> extends Readable {
    #private;
    [kInstance]: number;
    constructor(consumer: Consumer<Key, Value, HeaderKey, HeaderValue>, options: ConsumeOptions<Key, Value, HeaderKey, HeaderValue>);
    get offsetsToFetch(): Map<string, bigint>;
    get offsetsToCommit(): Map<string, CommitOptionsPartition>;
    get offsetsCommitted(): Map<string, bigint>;
    get committedOffsets(): Map<string, bigint>;
    close(callback: CallbackWithPromise<void>): void;
    close(): Promise<void>;
    isActive(): boolean;
    isConnected(): boolean;
    resume(): this;
    pause(): this;
    addListener(event: 'autocommit', listener: (err: Error, offsets: CommitOptionsPartition[]) => void): this;
    addListener(event: 'fetch', listener: () => void): this;
    addListener(event: 'offsets', listener: () => void): this;
    addListener(event: 'data', listener: (message: Message<Key, Value, HeaderKey, HeaderValue>) => void): this;
    addListener(event: 'close', listener: () => void): this;
    addListener(event: 'end', listener: () => void): this;
    addListener(event: 'error', listener: (err: Error) => void): this;
    addListener(event: 'pause', listener: () => void): this;
    addListener(event: 'readable', listener: () => void): this;
    addListener(event: 'resume', listener: () => void): this;
    on(event: 'autocommit', listener: (err: Error, offsets: CommitOptionsPartition[]) => void): this;
    on(event: 'fetch', listener: () => void): this;
    on(event: 'offsets', listener: () => void): this;
    on(event: 'data', listener: (message: Message<Key, Value, HeaderKey, HeaderValue>) => void): this;
    on(event: 'close', listener: () => void): this;
    on(event: 'end', listener: () => void): this;
    on(event: 'error', listener: (err: Error) => void): this;
    on(event: 'pause', listener: () => void): this;
    on(event: 'readable', listener: () => void): this;
    on(event: 'resume', listener: () => void): this;
    once(event: 'autocommit', listener: (err: Error, offsets: CommitOptionsPartition[]) => void): this;
    once(event: 'fetch', listener: () => void): this;
    once(event: 'offsets', listener: () => void): this;
    once(event: 'data', listener: (message: Message<Key, Value, HeaderKey, HeaderValue>) => void): this;
    once(event: 'close', listener: () => void): this;
    once(event: 'end', listener: () => void): this;
    once(event: 'error', listener: (err: Error) => void): this;
    once(event: 'pause', listener: () => void): this;
    once(event: 'readable', listener: () => void): this;
    once(event: 'resume', listener: () => void): this;
    prependListener(event: 'autocommit', listener: (err: Error, offsets: CommitOptionsPartition[]) => void): this;
    prependListener(event: 'fetch', listener: () => void): this;
    prependListener(event: 'offsets', listener: () => void): this;
    prependListener(event: 'data', listener: (message: Message<Key, Value, HeaderKey, HeaderValue>) => void): this;
    prependListener(event: 'close', listener: () => void): this;
    prependListener(event: 'end', listener: () => void): this;
    prependListener(event: 'error', listener: (err: Error) => void): this;
    prependListener(event: 'pause', listener: () => void): this;
    prependListener(event: 'readable', listener: () => void): this;
    prependListener(event: 'resume', listener: () => void): this;
    prependOnceListener(event: 'autocommit', listener: (err: Error, offsets: CommitOptionsPartition[]) => void): this;
    prependOnceListener(event: 'fetch', listener: () => void): this;
    prependOnceListener(event: 'offsets', listener: () => void): this;
    prependOnceListener(event: 'data', listener: (message: Message<Key, Value, HeaderKey, HeaderValue>) => void): this;
    prependOnceListener(event: 'close', listener: () => void): this;
    prependOnceListener(event: 'end', listener: () => void): this;
    prependOnceListener(event: 'error', listener: (err: Error) => void): this;
    prependOnceListener(event: 'pause', listener: () => void): this;
    prependOnceListener(event: 'readable', listener: () => void): this;
    prependOnceListener(event: 'resume', listener: () => void): this;
    [Symbol.asyncIterator](): NodeJS.AsyncIterator<Message<Key, Value, HeaderKey, HeaderValue>>;
    _construct(callback: (error?: Error) => void): void;
    _destroy(error: Error | null, callback: (error?: Error | null) => void): void;
    _read(): void;
    [kAutocommit](): void;
    [kRefreshOffsetsAndFetch](): void;
    [kInspect](...args: unknown[]): void;
}