import { AfterViewInit, ElementRef, OnChanges, OnDestroy, OnInit, AfterContentInit } from '@angular/core';
import { FudisGridWidth, FudisGridAlign } from '../../../types/grid';
import { FudisComponentChanges } from '../../../types/miscellaneous';
import { FudisIdService } from '../../../services/id/id.service';
import { FudisInternalErrorSummaryService } from '../../../services/form/error-summary/internal-error-summary.service';
import { FudisSelectionGroupInputSize } from '../../../types/forms';
import { FudisTranslationService } from '../../../services/translation/translation.service';
import { FudisFocusService } from '../../../services/focus/focus.service';
import { PopoverApiDirective } from '../../../directives/popover/popover-api.directive';
import * as i0 from "@angular/core";
export declare class FieldSetComponent extends PopoverApiDirective implements AfterViewInit, OnInit, OnDestroy, OnChanges, AfterContentInit {
    protected _translationService: FudisTranslationService;
    private _element;
    private _errorSummaryService;
    private _focusService;
    private _idService;
    constructor(_translationService: FudisTranslationService, _element: ElementRef, _errorSummaryService: FudisInternalErrorSummaryService, _focusService: FudisFocusService, _idService: FudisIdService);
    /**
     * Legend elementRef to trigger initialFocus
     */
    private _fieldsetLegend;
    /**
     * Label for the Fieldset component.
     */
    label: string;
    /**
     * Maximum width of Grid. When viewport gets narrower, grid automatically adjusts to lower sizes.
     *
     * - Xxl = Default value. Viewports of 1600px and larger
     * - Xl = Viewports smaller than 1600px
     * - Lg = Viewports smaller than 1200px
     * - Md = Viewports smaller than 992px
     * - Sm = Viewports smaller than 768px
     * - Xs = Viewports smaller than 576px
     */
    width: FudisGridWidth;
    /**
     * Overrides 'width' input. Used to set Checkbox Group and Radio Button Group as wide as other
     * basic form components.
     */
    inputSize: FudisSelectionGroupInputSize;
    /**
     * Alignment of Grid component inside its parent
     */
    align: FudisGridAlign;
    /**
     * Set focus to Fieldset when it appears first time
     */
    initialFocus: boolean;
    /**
     * Send information about current Fieldset to Error Summary Service. Error Summary Breadcrumb is
     * the label of the current Fieldset and is visible in the clickable link in Error Summary.
     */
    errorSummaryBreadcrumb: boolean;
    /**
     * Display "Required" text next to Fieldset main label.
     */
    required: boolean | null;
    /**
     * Visual size of label legend. Default 'md' and 'sm' is similar to standard input label, used in
     * e. g. RadioButtonGroup.
     */
    labelSize: 'md' | 'sm';
    /**
     * Fieldset id. If not provided when component is initialized, generated by Id Service
     */
    id: string;
    /**
     * Help text, aligned underneath the input.
     */
    helpText: string | undefined;
    /**
     * Used to vertically align Legend label with similar Label elements with varying heights. By
     * default `false`, but set `true` in Checkbox Group and Radio Button Group
     */
    syncLegendHeight: boolean;
    /**
     * CSS classes for the native fieldset HTMLelement
     */
    protected _classes: string[];
    /**
     * Used to set visible focus on if focus event comes from Error Summary link.
     */
    protected _legendFocusVisible: boolean;
    /**
     * Has Fieldset been added to Error Summary
     */
    private _fieldsetSent;
    /**
     * Private reference to Guidance
     */
    private _fieldsetGuidance;
    private _parentFormId;
    /**
     * To observe size changes of this Label and trigger height calculation as needed
     */
    private _resizeObserver;
    ngOnInit(): void;
    ngAfterContentInit(): void;
    ngAfterViewInit(): void;
    ngOnChanges(changes: FudisComponentChanges<FieldSetComponent>): void;
    ngOnDestroy(): void;
    protected _handleLegendBlur(): void;
    protected _handleFocus(event: FocusEvent): void;
    /**
     * Determines if Fieldset has CheckboxGroup or RadioButtonGroup as a parent. If so, adds Guidance
     * helptext as part of the Fieldset legend element and makes it accessible for screen readers.
     */
    private _hasSelectionGroupParent;
    /**
     * Add Fieldset label to Error Summary
     */
    private _addToErrorSummary;
    /**
     * Remove Fieldset label from Error Summary
     */
    private _removeFromErrorSummary;
    /**
     * Set CSS classes for native fieldset HTMLelement
     */
    private _setClasses;
    /**
     * Add or generate id with IdService
     */
    private _setFieldsetId;
    static ɵfac: i0.ɵɵFactoryDeclaration<FieldSetComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<FieldSetComponent, "fudis-fieldset", never, { "label": { "alias": "label"; "required": true; }; "width": { "alias": "width"; "required": false; }; "inputSize": { "alias": "inputSize"; "required": false; }; "align": { "alias": "align"; "required": false; }; "initialFocus": { "alias": "initialFocus"; "required": false; }; "errorSummaryBreadcrumb": { "alias": "errorSummaryBreadcrumb"; "required": false; }; "required": { "alias": "required"; "required": false; }; "labelSize": { "alias": "labelSize"; "required": false; }; "id": { "alias": "id"; "required": false; }; "helpText": { "alias": "helpText"; "required": false; }; "syncLegendHeight": { "alias": "syncLegendHeight"; "required": false; }; }, {}, never, ["fudis-fieldset-actions", "fudis-fieldset-content"], false, never>;
}