theme-lib/lib/components/chat/chat.module.d.ts

This is a simple example Angular Library published to npm.

import { ModuleWithProviders } from '@angular/core';
import { NbChatOptions } from './chat.options';
export declare class NbChatModule {
    static forRoot(options?: NbChatOptions): ModuleWithProviders<any>;
    static forChild(options?: NbChatOptions): ModuleWithProviders<any>;
}