export type AdeiuHandler = (signal: NodeJS.Signals) => void | Promise<void>;
export interface AdeiuOptions {
    /**
     * (Optional) Array of signals that the provided handler should be invoked
     * for. These signals are _not_ merged with the defaults, so each desired
     * signal must be explicitly enumerated.
     */
    signals?: Array<NodeJS.Signals>;
    /**
     * Maximum amount of time (in milliseconds) that the handler may run for
     * before it will be canceled. If this option is omitted or undefined, no
     * timeout will be enforced.
     */
    timeout?: number | undefined;
}
export declare const DEFAULT_SIGNALS: Array<NodeJS.Signals>;
/**
 * Register a handler that will be invoked when the current process receives a
 * POSIX shutdown signal.
 */
export default function adeiu(handler: AdeiuHandler, options?: AdeiuOptions): () => void;