/** Internal request lifetime; providers may ignore cancellation, consumers must not hang. */
export declare function abortError(message: string, cause?: unknown): Error;
export declare function isAbortError(error: unknown): boolean;
export declare class AbortableOperation {
    #private;
    readonly label: string;
    readonly signal: AbortSignal;
    constructor(label: string, external?: AbortSignal);
    cancel(cause?: unknown): void;
    throwIfAborted(): void;
    run<T>(work: () => T | PromiseLike<T>): Promise<T>;
    dispose(): void;
}
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