import { AfterContentInit, AfterViewChecked, AfterViewInit, ChangeDetectorRef, ElementRef, EventEmitter, NgZone, OnDestroy, QueryList } from '@angular/core';
import { BooleanInput, NumberInput } from '@angular/cdk/coercion';
import { FocusOrigin } from '@angular/cdk/a11y';
import { SegmentedTabComponent } from './segmented-tab.component';
import * as i0 from "@angular/core";
export declare class SegmentedTabsComponent implements AfterContentInit, AfterViewInit, OnDestroy, AfterViewChecked {
    private zone;
    private changeDetector;
    segmentedControl: ElementRef;
    /** Size of tabs */
    size: 'sm' | 'md' | 'lg';
    /**
     * Alignment of tabs' buttons group.
     * @default 'left'
     */
    align?: 'left' | 'center' | 'right' | 'stretch';
    /** Whether tabs are activated automatically on focus or manually. */
    keyboardActivation?: 'manual' | 'automatic';
    /** Whether the entire component should be disabled */
    disabled: BooleanInput;
    /** Index of the selected tab */
    get selectedIndex(): number;
    set selectedIndex(value: NumberInput);
    private _selectedIndex?;
    private _focusedIndex;
    readonly selectedIndexChange: EventEmitter<number>;
    readonly tabs: QueryList<SegmentedTabComponent>;
    private _tabIds;
    private resizeObserver;
    _gliderStyles: {
        left: string;
        width: string;
    };
    _animationEnabled: boolean;
    _focusVisible: boolean;
    constructor(zone: NgZone, changeDetector: ChangeDetectorRef);
    ngAfterContentInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    ngAfterViewChecked(): void;
    getFocusedTab(): SegmentedTabComponent;
    selectTab(selectedTab: SegmentedTabComponent): void;
    isSelected(tab: SegmentedTabComponent): boolean;
    _getTabContentTemplate(): import("@angular/core").TemplateRef<any> | null;
    _onFocusChange(origin: FocusOrigin): void;
    _onKeyDown(event: KeyboardEvent): void;
    private setGliderStyles;
    private getSelectedTabPosition;
    private onTabsChange;
    private skipAnimationFrame;
    private findFocusableIndex;
    static ɵfac: i0.ɵɵFactoryDeclaration<SegmentedTabsComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SegmentedTabsComponent, "sp-segmented-tabs", ["spSegmentedTabs"], { "size": "size"; "align": "align"; "keyboardActivation": "keyboardActivation"; "disabled": "disabled"; "selectedIndex": "selectedIndex"; }, { "selectedIndexChange": "selectedIndexChange"; }, ["tabs"], ["sp-segmented-tab"], false, never>;
}