import { NgStyle } from '@angular/common';
export declare class Config {
    inputStyles?: NgStyle;
    containerStyles?: NgStyle;
    length: number;
    allowNumbersOnly?: boolean;
    inputClass?: string;
    containerClass?: string;
    isPasswordInput?: boolean;
    disableAutoFocus?: boolean;
    placeholder?: string;
    letterCase?: "Upper" | "Lower";
}