import EventEmitter from 'eventemitter3' ; export type TypedListeners < L > = { [ E in keyof L ] : ( ... args : any [ ] ) => unknown ; } ; export type DefaultListeners = Record < string | symbol , ( ... args : unknown [ ] ) => unknown > ; declare class TypedEmitterDecl < L extends TypedListeners < L > = DefaultListeners > { addListener < U extends keyof L > ( event , listener ) ; removeListener < U extends keyof L > ( event , listener ) ; removeAllListeners ( event ? ) ; once < U extends keyof L > ( event , listener ) ; on < U extends keyof L > ( event , listener ) ; off < U extends keyof L > ( event , listener ) ; emit < U extends keyof L > ( event , ... args ) ; eventNames < U extends keyof L > ( ) ; listenerCount ( type ) ; listeners < U extends keyof L > ( type ) ; } export class TypedEmitter < L extends TypedListeners < L > > extends ( EventEmitter as { new < L extends TypedListeners < L > > ( ) : TypedEmitterDecl < L > ; } ) < L > { }