/**
 * SimpleSyncher is used to serialize function calls, it is a single threaded
 * actor that does one function after the next. Every send returns a promise
 * that resolves when the function is executed.
 */
export declare class SimpleSyncher {
    private queue;
    private started;
    private name?;
    constructor(name?: string);
    private run;
    push<T>(fn: () => Promise<T>): Promise<T>;
}
export default SimpleSyncher;