/**
 * Process-level interruption signal record.
 *
 * The signal handler is a process-entry adapter: it records which signal
 * requested termination so the operation boundary — which resolves the
 * interruption through the normal lifecycle — can state it. Only the first
 * signal is recorded; a second signal forces exit through the fallback path.
 */
import * as Layer from "effect/Layer";
import { InterruptionSignalSource } from "@agentxm/workspace/transitions/planning";
export declare const recordInterruptionSignal: (signal: "SIGINT" | "SIGTERM") => void;
export declare const requestedInterruptionSignal: () => "SIGINT" | "SIGTERM" | undefined;
/** Exposes the recorded process signal to the kernel's interruption port. */
export declare const InterruptionSignalSourceLive: Layer.Layer<InterruptionSignalSource, never, never>;
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