import { FormArray, FormControl, ValidatorFn } from "@angular/forms";
import * as i0 from "@angular/core";
import { OnDestroy, OnInit, QueryList } from "@angular/core";
import { IAbstractFormAliasBaseAliasControls } from "@hmcts/opal-frontend-common/components/abstract/abstract-form-alias-base/interfaces";
import { AbstractFormBaseComponent } from "@hmcts/opal-frontend-common/components/abstract/abstract-form-base";
import { IAbstractFormArrayControl, IAbstractFormArrayControlValidation, IAbstractFormArrayControls } from "@hmcts/opal-frontend-common/components/abstract/interfaces";
import { GovukTextInputComponent } from "@hmcts/opal-frontend-common/components/govuk/govuk-text-input";
export declare abstract class AbstractFormAliasBaseComponent extends AbstractFormBaseComponent implements OnInit, OnDestroy {
  aliasFirstField: QueryList<GovukTextInputComponent>;
  aliasControls: IAbstractFormAliasBaseAliasControls[];
  aliasControlsValidation: IAbstractFormArrayControlValidation[];
  aliasFields: string[];
  /**
   * Builds an array of form controls for the given form array.
   *
   * @param formControlCount - An array of numbers representing the number of form controls to create.
   * @param formArrayName - The name of the form array.
   * @param fieldNames - An array of field names.
   * @param controlValidation - An array of control validation objects.
   * @returns An array of form controls for the given form array.
   */
  private buildFormAliasControls;
  /**
   * Adds alias controls to the form array.
   *
   * @param index - The index of the form array.
   * @param formArrayName - The name of the form array.
   * @param fieldNames - The names of the fields for the alias controls.
   * @param controlValidation - The validation rules for the alias controls.
   * @returns An object containing the form controls.
   */
  private addAliasControls;
  /**
   * Removes all form alias controls from a FormArray and clears any associated error messages.
   *
   * @param formArrayControls - An array of form array controls.
   * @param formArrayName - The name of the FormArray.
   * @param fieldNames - An array of field names associated with the form array controls.
   * @returns An empty array of form array controls.
   */
  private removeAllFormAliasControls;
  /**
   * Creates a FormArray with the specified validators and controls.
   *
   * @param validators - An array of validators to apply to the FormArray.
   * @param controls - An optional array of initial FormControl instances to add to the FormArray.
   * @returns A new FormArray instance.
   */
  protected createFormAlias(validators: ValidatorFn[], controls?: FormControl[]): FormArray;
  /**
   * Removes a form alias control at the specified index from the given form array controls.
   *
   * @param index - The index of the form alias control to remove.
   * @param formArrayControls - The array of form array controls.
   * @returns The updated array of form array controls after removing the specified control.
   */
  protected removeFormAliasControl(index: number, formArrayControls: IAbstractFormArrayControls[]): IAbstractFormArrayControls[];
  /**
   * Sets up the alias form controls based on the provided alias count array and form array name.
   * If there are any aliases, the alias controls will be re-populated.
   *
   * @param aliasCountArray - An array containing the count of aliases.
   * @param formArrayName - The name of the form array.
   */
  protected setupAliasFormControls(aliasCountArray: number[], formArrayName: string): void;
  /**
   * Removes the form alias controls errors for a specific index in a form array.
   *
   * @param index - The index of the form array control.
   * @param formArrayControls - An array of form array controls.
   * @param fieldNames - An array of field names to remove errors from.
   */
  protected removeFormAliasControlsErrors(index: number, formArrayControls: IAbstractFormArrayControls[], fieldNames: string[]): void;
  /**
   * Creates alias controls for the given fields and index.
   * @param fields - The list of fields for which alias controls need to be created.
   * @param index - The index value used to generate unique identifiers for the controls.
   * @returns An object containing the alias controls.
   */
  protected createAliasControls(fields: string[], index: number): {
    [key: string]: IAbstractFormArrayControl;
  };
  /**
   * Sets up the alias checkbox listener.
   *
   * @param formCheckboxName - The name of the checkbox control in the form.
   * @param formArrayName - The name of the form array control in the form.
   */
  protected setUpAliasCheckboxListener(formCheckboxName: string, formArrayName: string): void;
  /**
   * Sets focus to the first input field of a newly added alias row.
   */
  focusFirstAliasField(): void;
  /**
   * Removes a form alias control from a form array and updates the list of form array controls.
   * @param index - The index of the form alias control to be removed.
   * @param formArrayName - The name of the form array.
   * @param formArrayControls - The list of form array controls.
   * @param fieldNames - The names of the fields associated with the form array controls.
   * @returns The updated list of form array controls after removing the specified control.
   */
  removeFormAliasControls(index: number, formArrayName: string, formArrayControls: IAbstractFormArrayControls[], fieldNames: string[]): IAbstractFormArrayControls[];
  /**
   * Adds an alias to the specified index of the form array.
   * Sets user focus to the first field of the newly added alias.
   *
   * @param index - The index at which to add the alias.
   * @param formArrayName - The name of the form array.
   */
  addAlias(index: number, formArrayName: string): void;
  /**
   * Removes an alias from the form array.
   *
   * @param index - The index of the alias to remove.
   * @param formArrayName - The name of the form array.
   * @param event - The event object from the click event, used to prevent default behavior.
   */
  removeAlias(index: number, formArrayName: string, event?: Event): void;
  ngOnInit(): void;
  ngOnDestroy(): void;
  static ɵfac: i0.ɵɵFactoryDeclaration<AbstractFormAliasBaseComponent, never>;
  static ɵcmp: i0.ɵɵComponentDeclaration<AbstractFormAliasBaseComponent, "ng-component", never, {}, {}, never, never, true, never>;
}