export interface EffectAbortForwarder {
    /** Whether this invocation has already forwarded an interruption. */
    readonly forwarded: boolean;
    /** Stop accepting interruption without triggering cancellation. */
    dispose(): void;
}
/**
 * Forward one Effect-owned AbortSignal without retaining process-global state.
 * Disposal wins any later interruption, while an already-started best-effort
 * send is observed so transport teardown cannot create an unhandled rejection.
 */
export declare function forwardEffectAbort(signal: AbortSignal, send: () => unknown | PromiseLike<unknown>): EffectAbortForwarder;
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