import { AfterViewChecked, AfterViewInit, ChangeDetectorRef, ElementRef, NgZone, OnDestroy } from '@angular/core';
import { RadioGroupBase } from '../shared/radio-group-base';
import { FocusOrigin } from '@angular/cdk/a11y';
import * as i0 from "@angular/core";
import * as i1 from "../../../theme/src/theme-check.directive";
/**
 * A radio group that looks like SegmentedTabs.
 */
export declare class SegmentedRadioGroupComponent extends RadioGroupBase implements AfterViewInit, OnDestroy, AfterViewChecked {
    private zone;
    private changeDetector;
    segmentedControl: ElementRef;
    /**
     * Label (not shown on the screen).
     * Required for accessibility reasons.
     **/
    ariaLabel: string;
    /** Size of tabs */
    size: 'sm' | 'md' | 'lg';
    /**
     * Alignment of tabs' buttons group.
     * @default 'left'
     */
    align?: 'left' | 'center' | 'right' | 'stretch';
    private resizeObserver;
    _gliderStyles: {
        left: string;
        width: string;
    };
    _animationEnabled: boolean;
    _focusVisible: boolean;
    constructor(zone: NgZone, changeDetector: ChangeDetectorRef);
    private skipAnimationFrame;
    private setGliderStyles;
    private getSelectedTabPosition;
    private shouldUpdateGliderStyles;
    ngAfterViewInit(): void;
    ngAfterViewChecked(): void;
    ngOnDestroy(): void;
    _onFocusChange(focusOrigin: FocusOrigin): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SegmentedRadioGroupComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SegmentedRadioGroupComponent, "sp-segmented-radio-group", never, { "ariaLabel": "aria-label"; "size": "size"; "align": "align"; }, {}, never, ["*"], false, [{ directive: typeof i1.ThemeCheckDirective; inputs: {}; outputs: {}; }]>;
}