import { Observable } from 'rxjs';
import { NgControl } from '@angular/forms';
export declare abstract class PgFieldControl<T> {
    value: T | null;
    readonly stateChanges: Observable<void>;
    readonly placeholder: string;
    readonly ngControl: NgControl | null;
    readonly isFocused: boolean;
    readonly isEmpty: boolean;
    readonly isError: boolean;
    /**
     * An optional name for the control type that can be used to distinguish `pg-form-field` elements
     * based on their control type. The form field will add a class,
     * `pg-form-field-type-{{controlType}}` to its root element.
     */
    readonly controlType?: string;
    readonly shouldLabelFloat: boolean;
    readonly isDisabled: boolean;
    readonly isAutofilled: boolean;
    blur: Function;
    focus: Function;
    isErrorStateFrozen: boolean;
    readonly id: string;
    abstract onContainerClick(): any;
}