import { FormControl, NgControl, ValidationErrors } from '@angular/forms';
import { UiService } from 'ionic-firebase-auth';
import { Observable } from 'rxjs';
declare type ControlType = NgControl | FormControl | undefined | null;
export declare class AuthUIFormFieldComponent {
    private ui;
    label: string;
    get control(): ControlType;
    set control(val: ControlType);
    private control$;
    errors$: Observable<string[]>;
    readonly isValid$: Observable<boolean>;
    readonly isDisabled$: Observable<boolean>;
    errorMessage?: string;
    errorMessageFn: (errors: ValidationErrors | null) => string[];
    errorPrefix?: string;
    customErrors?: {
        [index: string]: string;
    };
    translateParams: {
        [key: string]: string;
    };
    icon?: string;
    hintEnd?: string;
    constructor(ui: UiService);
    private flattenErrors;
}
export {};