import { OnInit } from '@angular/core';
import { FormGroup } from '@angular/forms';
export declare class IonFormErrorMessagesComponent implements OnInit {
    formGroup: FormGroup;
    messages: {
        [control: string]: {
            [error: string]: string;
        };
    };
    color: string;
    control: string;
    controls: string[];
    readonly filteredControls: string[];
    constructor();
    ngOnInit(): void;
    getErrors(controlKey: string): import("@angular/forms").ValidationErrors;
    isAnyControlInvalid(): boolean;
    isControlInvalid(controlKey: string): boolean;
    objectToKeys(value: any): string[];
}