import { ChangeDetectorRef, OnDestroy } from '@angular/core';
import { NgForm } from '@angular/forms';
import { Path } from '../expression/crnk.expression';
export interface ErrorEntry {
    code: string;
    data: any;
}
/**
 * Displays the errors of a control. The control instance is selected by passing its expression.
 */
export declare class ControlErrorsComponent implements OnDestroy {
    private form;
    private cd;
    private _expression;
    private control;
    private controlValueSubscription;
    private controlStatusSubscription;
    private formSubscription;
    controlErrors: Array<ErrorEntry>;
    template: any;
    constructor(form: NgForm, cd: ChangeDetectorRef);
    expression: Path<any>;
    ngOnDestroy(): void;
    private initControl();
    private collectErrors();
}
/**
 * Displays the errors for the given field for a resource. The field and resource is passed to this component
 * as expression.
 */
export declare class ResourceErrorsComponent {
    private cd;
    pathErrors: Array<ErrorEntry>;
    template: any;
    constructor(cd: ChangeDetectorRef);
    protected toPath(sourcePointer: string): string;
    expression: Path<any>;
}