import { ElementRef } from '@angular/core';
import * as i0 from "@angular/core";
/**
 * A re-usable form field accessibility manager.
 */
export declare class FormFieldAccessibilityManagerBaseService {
    /**
     * The focus handler on delete/add if the form field is a list.
     * @param value The value for the list form field.
     * @param addButton The component reference for the add button.
     * @param hostElement The host element reference.
     * @param isDelete Determine if the action is delete.
     * @returns void
     */
    listFormFieldFocusHandlerOnKeyboardAction(value: string[], addButton: ElementRef | undefined, hostElement: ElementRef, isDelete?: boolean): void;
    /**
     * The focus handler on delete/add if the form field is a list. And the list is built with a specific selector.
     * @param value The value for the list form field.
     * @param addButton The component reference for the add button.
     * @param hostElement The host element reference.
     * @param selector The selector for the input fields.
     * @returns void
     */
    listFormFieldFocusHandlerOnKeyboardActionBySelector(value: string[], addButton: ElementRef | undefined, hostElement: ElementRef, selector: string): void;
    /**
     * It handles the focus on the input field by index if value is type of any[].
     * @param hostElement the host form field element.
     * @param index the index of the input field to focus on.
     * @returns void.
     */
    focusOnInputByIndex(hostElement: ElementRef, index: number): void;
    deferredFocusOnTargetBySelector(value: string[], hostElement: ElementRef, selector: string): void;
    protected deferredFocusOnAddButton(addButton: ElementRef | undefined): void;
    protected deferredFocusOnInputFields(hostElement: ElementRef, value: string[], isDelete?: boolean): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<FormFieldAccessibilityManagerBaseService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<FormFieldAccessibilityManagerBaseService>;
}