export declare function createAbortError(message: string): Error;
export declare function getAbortMessage(signal: AbortSignal | undefined, fallback: string): string;
export declare function throwIfAborted(signal: AbortSignal | undefined, fallback?: string): void;
export declare function isAbortError(error: unknown): boolean;
export declare function sleepWithAbort(ms: number, signal?: AbortSignal): Promise<void>;