/** Default maximum duration for API dependency work. */
export declare const duration = 15000;
/** Returns a caller signal or a signal carrying the default deadline. */
export declare function signal(options?: signal.Options): AbortSignal;
export declare namespace signal {
    /** Options for {@link signal}. */
    type Options = {
        /** Existing caller signal. */
        signal?: AbortSignal | null | undefined;
        /** Default maximum duration in milliseconds. */
        timeout?: number | undefined;
    };
}
/** Waits for a duration, rejecting immediately when `signal` aborts. */
export declare function wait(options: wait.Options): Promise<void>;
export declare namespace wait {
    /** Options for {@link wait}. */
    type Options = {
        /** Duration to wait in milliseconds. */
        milliseconds: number;
        /** Signal that cancels the wait. */
        signal: AbortSignal;
    };
}
/** Runs asynchronous work under a hard deadline and aborts cooperative work. */
export declare function run<value>(work: (signal: AbortSignal) => Promise<value>, options?: run.Options): Promise<value>;
export declare namespace run {
    /** Options for {@link run}. */
    type Options = {
        /** Error returned to the caller when the deadline expires. */
        error?: Error | undefined;
        /** Maximum duration in milliseconds. */
        timeout?: number | undefined;
    };
}
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