import * as z from "zod/v4-mini";
export declare enum Signal {
    Sigint = "SIGINT",
    Sigterm = "SIGTERM"
}
export type SessionIdSignal = {
    /**
     * The Helix session to signal — from the `start` that created it.
     */
    sessionId: string;
    signal: Signal;
};
/** @internal */
export declare const Signal$outboundSchema: z.ZodMiniEnum<typeof Signal>;
/** @internal */
export type SessionIdSignal$Outbound = {
    sessionId: string;
    signal: string;
};
/** @internal */
export declare const SessionIdSignal$outboundSchema: z.ZodMiniType<SessionIdSignal$Outbound, SessionIdSignal>;
export declare function sessionIdSignalToJSON(sessionIdSignal: SessionIdSignal): string;
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