import { EventEmitter, OnInit, OnDestroy } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { SelectionModel } from '@angular/cdk/collections';
import { Subject } from 'rxjs';
import { FieldConfig } from '../../models/field-config.model';
import { FormField } from '../../models/form-field.model';
import { CheckboxOption, IconButton } from '@ieeesa-npm/models';
import { FormUtilityService } from '../../services/form-utility.service';
import * as i0 from "@angular/core";
/**
 * Provides implementation of all types of checkboxes.
 * @export
 * @class CheckboxComponent
 * @implements {OnInit}
 * @implements {FormField}
 */
export declare class CheckboxComponent implements OnInit, FormField, OnDestroy {
    private formUtilityService;
    config: FieldConfig;
    group: FormGroup;
    private _checkboxes;
    isLabelNeeded: boolean;
    /**
     * Input property to get checkbox options.
     * @memberof CheckboxComponent
     * @usageNotes const checkboxes = [{ id: 1, name:"Angular"}]
     */
    set checkboxes(value: CheckboxOption[]);
    get checkboxes(): CheckboxOption[];
    set recreateCheckboxOptionsControl(value: CheckboxOption[]);
    selectedCheckboxesInfo: SelectionModel<CheckboxOption>;
    checkboxSelection: EventEmitter<CheckboxOption>;
    checkboxOptionsAndSelection: EventEmitter<CheckboxOption[]>;
    selectedCheckboxes: EventEmitter<CheckboxOption[]>;
    ctaButtonClick: EventEmitter<IconButton>;
    destroy$: Subject<boolean>;
    constructor(formUtilityService: FormUtilityService);
    /**
     * Implementation of ngOnInit lifecycle hook method of component to initialize component instance properties
     *  and emits whenever the checkboxes selection state changes
     * @memberof CheckboxComponent
     */
    ngOnInit(): void;
    /**
     * Recreate form controls whenever the new set of checkboxes are loaded when component is already initialized
     * @memberof CheckboxComponent
     */
    recreateFormControl(): void;
    /**
     * Creates form group and initializes components properties from config.
     * @memberof CheckboxComponent
     */
    createFormGroupAndInitializeProperties(): void;
    /**
     * Sets checkbox selection and emits selected option on change event.
     * @param {CheckboxOption} option
     * @param {boolean} checked
     * @memberof CheckboxComponent
     */
    onChange(option: CheckboxOption, checked: boolean): void;
    /**
     * Allows Angular to detect the specific checkbox option that needs to change or be added instead of rebuilding the whole checkbox options in DOM by tracking option unique Id.
     * @param {number} index
     * @return {number}
     * @memberof CheckboxComponent
     */
    trackById(index: number, option: CheckboxOption | IconButton): number | string;
    /**
     * Emits ctaButtonClick event along with clicked button information.
     * @param {IconButton} event
     * @memberof CheckboxComponent
     */
    onCheckboxCTAButtonClick(event: IconButton): void;
    /**
     * NgOnDestroy performs necessary cleanup tasks, such as unsubscribing from subscription when the component is being destroyed.
     * @memberof CheckboxComponent
     */
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<CheckboxComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<CheckboxComponent, "ieeesa-checkbox", never, { "isLabelNeeded": { "alias": "isLabelNeeded"; "required": false; }; "checkboxes": { "alias": "checkboxes"; "required": false; }; "recreateCheckboxOptionsControl": { "alias": "recreateCheckboxOptionsControl"; "required": false; }; }, { "checkboxSelection": "checkboxSelection"; "checkboxOptionsAndSelection": "checkboxOptionsAndSelection"; "selectedCheckboxes": "selectedCheckboxes"; "ctaButtonClick": "ctaButtonClick"; }, never, never, true, never>;
}