import { EventEmitter, OnInit } from '@angular/core';
import { FormControl } from '@angular/forms';
export declare abstract class RcFormControlAbstract implements OnInit {
    /**
     * Form control - optional
     */
    control: FormControl;
    /**
     * Will be insert into the DOM element as id
     */
    elementId: string;
    /**
     * If not empty - will be displayed under the checkbox with role alert and 'invalid-feedback-message' class
     */
    errorMsg: string;
    /**
     * Component wrapper class name
     */
    className: string;
    /**
     * accessibility aria-label
     */
    ariaLabel: string;
    /**
     * accessibility aria-labeledby
     */
    ariaLabeledBy: string;
    /**
     * accessibility aria-describedby
     */
    ariaDescribedBy: string;
    disabled: boolean;
    _disabled: boolean;
    /**
     * Callback function that will be emitted on change
     */
    onChangedCallback: EventEmitter<any>;
    focusCallback: EventEmitter<any>;
    blurCallback: EventEmitter<any>;
    constructor();
    protected validateInputs(): void;
    /**
     * Instantiate a form control instance if not provided
     */
    ngOnInit(): void;
    /**
     * get checkbox describedby attribute
     * @returns string
     */
    getAriaDescribedBy(): string;
    /**
     * get error element id
     * @returns string
     */
    readonly errorElementId: string;
    /**
     * emit an Output function on change
     */
    onChange($event?: any): void;
    /**
     * emit an Output function on change
     */
    onFocus($event?: any): void;
    /**
     * emit an Output function on change
     */
    onBlur($event?: any): void;
}