export interface OutputSubscription {
    unsubscribe: () => void;
}
export interface OutputStreamLike {
    subscribe: (handler: (data: string) => void) => OutputSubscription;
}
export declare class RecentOutputBufferRegistry {
    private buffers;
    private subscriptions;
    attach(key: string, stream: OutputStreamLike, limit: number): void;
    has(key: string): boolean;
    captureCursor(key: string): number | undefined;
    getStartOffset(key: string): number | undefined;
    getEndOffset(key: string): number | undefined;
    getSince(key: string, cursor: number): string;
    detach(): void;
}