@ngx-formly/bootstrap/lib/types/input.d.ts

ngx-formly is an Angular 2 module which has a Components to help customize and render JavaScript/JSON configured forms. The formly-form Component and the FormlyConfig service are very powerful and bring unmatched maintainability to your application's form

import { FieldType } from '@ngx-formly/core';
export declare class FormlyFieldInput extends FieldType {
    readonly type: string;
}