export declare const SignalState: {
    readonly SIGNAL_STATE_UNSPECIFIED: "SIGNAL_STATE_UNSPECIFIED";
    readonly SIGNAL_STATE_ACTIVE: "SIGNAL_STATE_ACTIVE";
    readonly SIGNAL_STATE_CLOSED: "SIGNAL_STATE_CLOSED";
    readonly SIGNAL_STATE_ALL: "SIGNAL_STATE_ALL";
};
export type SignalState = 'SIGNAL_STATE_UNSPECIFIED' | 0 | 'SIGNAL_STATE_ACTIVE' | 1 | 'SIGNAL_STATE_CLOSED' | 2 | 'SIGNAL_STATE_ALL' | 3;
export type SignalState__Output = typeof SignalState[keyof typeof SignalState];