import { NgControl } from '@angular/forms';
import { Subject } from 'rxjs';
import { StyleRenderer } from '@alyle/ui';
/** An interface which allows a control to work inside of a `LyField`. */
export declare abstract class LyFieldControlBase<T = any> {
    value: T | null;
    readonly stateChanges: Subject<void>;
    readonly errorState: boolean;
    readonly placeholder: string;
    readonly ngControl: NgControl | null;
    readonly focused: boolean;
    readonly empty: boolean;
    readonly disabled: boolean;
    readonly required: boolean;
    readonly floatingLabel: boolean;
    readonly sRenderer: StyleRenderer;
    /**
     * Whether the input is currently in an autofilled state. If the property is not present on the
     * control, it is assumed to be false.
     */
    readonly autofilled?: boolean;
    /** Handles a click on the control's container. */
    abstract onContainerClick?(event: MouseEvent): void;
}