/**
 * @license
 * Copyright 2026 Qwen
 * SPDX-License-Identifier: Apache-2.0
 */
export interface MemoryDialogueEvent {
    inputItemId: string;
    role: 'user' | 'assistant';
    text: string;
    source?: 'normal' | 'filler';
    interrupted?: boolean;
}
export interface MemoryDialogueSink {
    recordUser(text: string): void;
    recordAssistant(text: string, options: {
        source: 'normal' | 'filler';
        interrupted: boolean;
    }): void;
}
export declare class MemoryDialogueCollector {
    private readonly sink;
    private readonly inputs;
    private closed;
    constructor(sink: MemoryDialogueSink);
    beginInput(inputItemId: string): void;
    accept(event: MemoryDialogueEvent): void;
    flush(): void;
    close(): void;
    private emitKnown;
    private drain;
}