/** Return the inbound request signal while hosted execution preparation is active. */
export declare function getHostedRequestPreparationSignal(): AbortSignal | undefined;
/** Resolve the active inbound signal or a fresh signal for direct preparation calls. */
export declare function resolveHostedRequestPreparationSignal(): AbortSignal;
/** Run hosted execution preparation with its inbound request cancellation context. */
export declare function runWithHostedRequestPreparationSignal<TResult>(signal: AbortSignal, operation: () => TResult): TResult;
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