declare type Mergeable<P extends any[]> = (...args: P) => void;
/**
 * Create a function which is a merge of many function with similar signatures. Functions are called
 * successively.
 *
 * @param funcs - Functions to merge.
 * @returns The merged functions.
 */
export declare function mergeFunctions<P extends any[]>(...funcs: Array<Mergeable<P> | undefined>): Mergeable<P>;
export {};