export interface StdinClaimHandle {
    release(): void;
}
export declare function acquireStdinClaim(holderName: string): StdinClaimHandle;
export declare function withStdinClaim<T>(holderName: string, fn: () => Promise<T> | T): Promise<T>;
export declare function currentStdinClaimHolder(): string | null;
export declare function __resetStdinClaimForTests(): void;