import { ElementRef } from '@angular/core';
import { BComponent, DisplaySize } from '../bcomponent';
import { ButtonBComponent } from '../button/button.bcomponent';
export declare class InputGroupBase extends BComponent {
    placeholder: string;
    model: string;
    size: DisplaySize;
    frontText: string;
    backText: string;
    frontButton: ButtonBComponent;
    backButton: ButtonBComponent;
    groupClass: string;
    constructor(el?: ElementRef);
    Initialize: (placeholder?: string, model?: string, size?: "lg" | "sm" | "xs", frontText?: string, backText?: string, frontButton?: ButtonBComponent, backButton?: ButtonBComponent) => this;
    ngOnChildChanges: () => void;
}
export declare class InputGroupBComponent extends InputGroupBase {
    constructor();
}
export declare class InputGroupBDirective extends InputGroupBase {
    constructor(el: ElementRef);
}