import * as i0 from "@angular/core";
import { OnDestroy, OnInit } from "@angular/core";
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 { AbstractControl, FormArray, FormControl, FormGroup, ValidatorFn } from "@angular/forms";
export declare abstract class AbstractFormArrayBaseComponent extends AbstractFormBaseComponent implements OnInit, OnDestroy {
  formArrayControls: IAbstractFormArrayControls[];
  formArrayControlsValidation: IAbstractFormArrayControlValidation[];
  formArrayFields: string[];
  /**
   * Builds an array of form controls for a 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 for the form controls.
   * @param controlValidation - An array of control validation configurations.
   * @returns An array of form controls for the form array.
   */
  private buildFormArrayControls;
  /**
   * Adds form array controls to the specified form array.
   *
   * @param index - The index at which the form array controls should be added.
   * @param formArrayName - The name of the form array.
   * @param fieldNames - The names of the form controls to be created.
   * @param controlValidation - The validation rules for the form controls.
   * @returns An object containing the form controls that were added.
   */
  private addFormArrayControls;
  /**
   * Creates a new instance of FormArray with the specified validators and controls.
   *
   * @param validators - An array of validator functions to be applied to the form array.
   * @param controls - An optional array of form controls to initialize the form array with.
   * @returns A new instance of FormArray.
   */
  protected createFormArray(validators: ValidatorFn[], controls?: FormControl[]): FormArray;
  /**
   * Sets up the form array form controls based on the provided parameters.
   *
   * @param formArrayCountArray - An array of numbers representing the count of form array controls.
   * @param formArrayName - The name of the form array.
   */
  protected setupFormArrayFormControls(formArrayCountArray: number[], formArrayName: string): void;
  /**
   * Creates an object with form array controls based on the given fields and index.
   *
   * @param fields - An array of field names.
   * @param index - The index of the form array.
   * @returns An object with form array controls.
   */
  protected createFormArrayControls(fields: string[], index: number): {
    [key: string]: IAbstractFormArrayControl;
  };
  /**
   * Removes form array controls errors for a specific index.
   *
   * @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 removeFormArrayControlsErrors(index: number, formArrayControls: IAbstractFormArrayControls[], fieldNames: string[]): void;
  /**
   * Removes a form array control at the specified index from the given array of form array controls.
   *
   * @param index - The index of the form array control to be removed.
   * @param formArrayControls - The array of form array controls.
   * @returns The updated array of form array controls after removing the specified control.
   */
  protected removeFormArrayControl(index: number, formArrayControls: IAbstractFormArrayControls[]): IAbstractFormArrayControls[];
  /**
   * Retrieves the value of a form control or returns a default value if the control is null or undefined.
   *
   * @param control - The form control to retrieve the value from.
   * @param defaultValue - The default value to return if the control is null or undefined.
   * @returns The value of the control if it exists, otherwise the default value.
   */
  protected getControlValueOrDefault(control: AbstractControl | null, defaultValue: any): any;
  /**
   * Removes a form array control at the specified index and updates the form array controls and errors.
   *
   * @param index - The index of the form array control to remove.
   * @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.
   */
  removeFormArrayControls(index: number, formArrayName: string, formArrayControls: IAbstractFormArrayControls[], fieldNames: string[]): IAbstractFormArrayControls[];
  /**
   * Removes controls from a form array at the specified index.
   *
   * @param index - The index at which to remove the controls.
   * @param formArrayName - The name of the form array.
   */
  removeControlsFromFormArray(index: number, formArrayName: string): void;
  /**
   * Removes a form array control from the specified form array.
   *
   * @param formArrayControl - The form array control to remove.
   * @param formArrayName - The name of the form array.
   */
  removeFormArrayControlFromArray(formArrayControl: IAbstractFormArrayControls, formArrayName: string): void;
  /**
   * Retrieves the FormGroup at the specified index from a FormArray.
   *
   * @param index - The index of the FormGroup to retrieve.
   * @param formArrayName - The name of the FormArray.
   * @returns The FormGroup at the specified index.
   */
  getFormArrayFormGroup(index: number, formArrayName: string): FormGroup;
  /**
   * Retrieves the FormControl from a FormGroup within a FormArray at the specified index.
   *
   * @param formGroup - The FormGroup containing the FormControl.
   * @param controlName - The name of the FormControl.
   * @param index - The index of the FormArray.
   * @returns The FormControl at the specified index.
   */
  getFormArrayFormGroupControl(formGroup: FormGroup, controlName: string, index: number): FormControl;
  /**
   * Adds validators to a specific form control within a form array group.
   *
   * @param formGroup - The form group containing the form array.
   * @param controlName - The name of the form control within the form array group.
   * @param index - The index of the form array group within the form array.
   * @param validators - An array of validator functions to be added to the form control.
   */
  addFormArrayFormGroupControlValidators(formControl: FormControl, validators: ValidatorFn[]): void;
  /**
   * Removes validators from a specific form control within a form array group.
   * @param formGroup - The form group containing the form array.
   * @param controlName - The name of the form control within the form array group.
   * @param index - The index of the form array group within the form array.
   */
  removeFormArrayFormGroupControlValidators(formControl: FormControl): void;
  /**
   * Reverses the form array data by appending the index to each key in the objects.
   *
   * @param data - An array of objects containing form data.
   * @returns An array of objects with keys modified to include their index in the original array.
   */
  addIndexToFormArrayData(data: any[]): {
    [key: string]: any;
  }[];
  /**
   * Adds controls to the form array at the specified index.
   *
   * @param index - The index at which the controls should be added.
   * @param formArrayName - The name of the form array.
   */
  addControlsToFormArray(index: number, formArrayName: string): void;
  ngOnInit(): void;
  ngOnDestroy(): void;
  static ɵfac: i0.ɵɵFactoryDeclaration<AbstractFormArrayBaseComponent, never>;
  static ɵcmp: i0.ɵɵComponentDeclaration<AbstractFormArrayBaseComponent, "ng-component", never, {}, {}, never, never, true, never>;
}