/**
 * @license
 * Copyright Google LLC All Rights Reserved.
 *
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://angular.io/license
 */
import { ElementRef, InjectionToken, OnChanges, OnDestroy, OnInit, SimpleChanges, TemplateRef, ViewContainerRef } from '@angular/core';
import { OuiTabLabel } from './tab-label';
import { CanDisable } from '../core';
import { TemplatePortal } from '@angular/cdk/portal';
import { Subject } from 'rxjs';
import { DomSanitizer } from '@angular/platform-browser';
import * as i0 from "@angular/core";
export declare class OuiTabsBase {
    _elementRef: ElementRef;
    constructor(_elementRef: ElementRef);
}
/** @docs-private */
declare const _OuiTabMixinBase: typeof OuiTabsBase;
/**
 * Used to provide a tab group to a tab without causing a circular dependency.
 * @docs-private
 */
export declare const OUI_TAB_GROUP: InjectionToken<any>;
export declare class OuiTab extends _OuiTabMixinBase implements CanDisable, OnInit, OnChanges, OnDestroy {
    private _viewContainerRef;
    _closestTabGroup: any;
    private sanitized;
    /** Content for the tab label given by `<ng-template oui-tab-label>`. */
    private _templateLabel;
    disabled: any;
    get templateLabel(): OuiTabLabel;
    set templateLabel(value: OuiTabLabel);
    /**
     * Template provided in the tab content that will be used if present, used to enable lazy-loading
     */
    private _explicitContent;
    /** Template inside the OuiTab view that contains an `<ng-content>`. */
    _implicitContent: TemplateRef<any>;
    /** Plain text label for the tab, used when there is no template label. */
    textLabel: string;
    contentWithin: string;
    /** Aria label for the tab. */
    ariaLabel: string;
    color: string;
    /**
     * Reference to the element that the tab is labelled by.
     * Will be cleared if `aria-label` is set at the same time.
     */
    ariaLabelledby: string;
    /**
     * Classes to be passed to the tab label inside the oui-tab-header container.
     * Supports string and string array values, same as `ngClass`.
     */
    labelClass: string | string[];
    /**
     * Classes to be passed to the tab oui-tab-body container.
     * Supports string and string array values, same as `ngClass`.
     */
    bodyClass: string | string[];
    /** Portal that will be the hosted content of the tab */
    private _contentPortal;
    /** @docs-private */
    get content(): TemplatePortal | null;
    /** Emits whenever the internal state of the tab changes. */
    readonly _stateChanges: Subject<void>;
    /**
     * The relatively indexed position where 0 represents the center, negative is left, and positive
     * represents the right.
     */
    position: number | null;
    /**
     * The initial relatively index origin of the tab if it was created and selected after there
     * was already a selected tab. Provides context of what position the tab should originate from.
     */
    origin: number | null;
    /**
     * Whether the tab is currently active.
     */
    isActive: boolean;
    _tab1: ElementRef;
    constructor(_viewContainerRef: ViewContainerRef, _closestTabGroup: any, sanitized: DomSanitizer, _elementRef: ElementRef);
    ngOnChanges(changes: SimpleChanges): void;
    addThemeColor(): void;
    ngOnDestroy(): void;
    ngOnInit(): void;
    /**
     * This has been extracted to a util because of TS 4 and VE.
     * View Engine doesn't support property rename inheritance.
     * TS 4.0 doesn't allow properties to override accessors or vice-versa.
     * @docs-private
     */
    private _setTemplateLabelInput;
    static ɵfac: i0.ɵɵFactoryDeclaration<OuiTab, [null, { optional: true; }, null, null]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<OuiTab, "oui-tab", ["OuiTab"], { "disabled": { "alias": "disabled"; "required": false; }; "textLabel": { "alias": "label"; "required": false; }; "ariaLabel": { "alias": "aria-label"; "required": false; }; "color": { "alias": "color"; "required": false; }; "ariaLabelledby": { "alias": "aria-labelledby"; "required": false; }; "labelClass": { "alias": "labelClass"; "required": false; }; "bodyClass": { "alias": "bodyClass"; "required": false; }; }, {}, ["templateLabel", "_explicitContent"], ["*"], false, never>;
}
export {};
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