import type { Socket } from 'node:net';
import type { OutputVersion, SnapshotMode, SnapshotRead } from '../manager/conversationPort.js';
export declare const MAX_CONVERSATION_FRAME_BYTES = 1048576;
export declare class ConversationFrameDecoder {
    private parts;
    private length;
    decode(chunk: Buffer): Generator<unknown>;
}
export declare function encodeConversationFrame(value: unknown): Buffer;
export declare function writeConversationFrame(socket: Socket, value: unknown): Promise<void>;
export interface ConversationTransfer {
    frame: unknown;
    boundary: boolean;
    terminal: boolean;
}
export declare function conversationTransferFrames(conversationId: string, metadata: OutputVersion & {
    transferId: string;
    mode?: SnapshotMode;
}, purpose: 'snapshot' | 'output', items: AsyncIterable<unknown>): AsyncGenerator<ConversationTransfer>;
export declare function snapshotMetadata(read: SnapshotRead): {
    transferId: string;
    conversationId: string;
    revision: number;
    stateSequence: number;
    operationId: string | null;
    mode: SnapshotMode;
};
//# sourceMappingURL=conversationFrames.d.ts.map