import { EventEmitter, OnInit } from '@angular/core';
import { FormGroup } from '@angular/forms';
import { FieldConfig } from '../../models/field-config.model';
import { FormField } from '../../models/form-field.model';
import { RadioOption } from '../../models/radio-option.model';
import { FormUtilityService } from '../../services/form-utility.service';
import * as i0 from "@angular/core";
/**
 * Provides implementation of form field radio type component
 * @export
 * @class RadioComponent
 * @implements {OnInit}
 * @implements {FormField}
 */
export declare class RadioComponent implements OnInit, FormField {
    private formUtilityService;
    config: FieldConfig;
    group: FormGroup;
    formControlName: string;
    private radioGroups;
    set radioGroup(value: RadioOption[]);
    get radioGroup(): RadioOption[];
    isDisabled: boolean;
    selectedRadioOption: EventEmitter<RadioOption>;
    constructor(formUtilityService: FormUtilityService);
    /**
     * Implementation of ngOnInit lifecycle hook method to create form group and initialize components instance properties
     * @memberof RadioComponent
     */
    ngOnInit(): void;
    /**
     * Initializes the components instance properties from config else it defines config
     * @memberof RadioComponent
     */
    initializeConfigProperties(): void;
    /**
     * Handles radio selection event on change of it
     * @param {RadioOption} value
     * @memberof RadioComponent
     */
    onChange(value: RadioOption): void;
    /**
     * Allows Angular to detect the specific radio option that needs to change or be added instead of rebuilding the whole radio options in DOM by tracking option unique Id.
     * @param {number} index
     * @return {number}
     * @memberof RadioComponent
     */
    trackById(index: number, radio: RadioOption): number | string;
    static ɵfac: i0.ɵɵFactoryDeclaration<RadioComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RadioComponent, "ieeesa-radio", never, { "formControlName": { "alias": "formControlName"; "required": false; }; "radioGroup": { "alias": "radioGroup"; "required": false; }; "isDisabled": { "alias": "isDisabled"; "required": false; }; }, { "selectedRadioOption": "selectedRadioOption"; }, never, never, true, never>;
}