/**
 * Captured AbortSignal operations for hostile JavaScript boundaries.
 *
 * Callers can shadow instance properties or mutate public prototypes after
 * module initialization. These helpers validate the native brand and dispatch
 * through captured intrinsics so cancellation cannot execute those hooks.
 *
 * @module
 */
/** Test the native AbortSignal brand without reading overridable properties. */
export declare function isAbortSignalWithoutHooks(value: unknown): value is AbortSignal;
/** Read cancellation state through the captured native getter. */
export declare function isAbortSignalAborted(signal: AbortSignal): boolean;
/** Read the native cancellation reason without consulting an own accessor. */
export declare function getAbortSignalReason(signal: AbortSignal): unknown;
/** Attach one native abort listener without consulting instance methods. */
export declare function addAbortSignalListenerOnce(signal: AbortSignal, listener: () => void): void;
/** Remove a native abort listener without consulting instance methods. */
export declare function removeAbortSignalListener(signal: AbortSignal, listener: () => void): void;
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