import { EventEmitter, OnChanges, SimpleChanges } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
export declare class RpFormGroupDirective implements OnChanges {
    /**
     * Access host's FormGroup
     */
    formGroup: FormGroup;
    /**
     * Manually show errors
     */
    showErrors: boolean;
    /**
     * Emits formGroup value if formGroup is valid
     */
    rpSubmit: EventEmitter<{}>;
    /**
     * Emits true when an invalid form is submitted
     */
    submitFail: EventEmitter<{}>;
    /**
     * Boolean steam of error display toggling
     * TODO Doesn't look like this is ever false after it's been triggered once
     */
    showErrors$: BehaviorSubject<boolean>;
    /**
     * Handle form submissions, marking as failed and preventing submit if formGroup is invalid
     */
    catchSubmit(): void;
    /**
     * Check formGroup validity and show errors if needed
     */
    ngOnChanges({showErrors}: SimpleChanges): void;
}