import * as i0 from '@angular/core';
import { QueryList, NgZone, InjectionToken, ChangeDetectorRef, Renderer2, AfterContentInit, AfterViewInit, OnChanges, OnInit, ElementRef, TemplateRef, EventEmitter, SimpleChanges } from '@angular/core';
import { Direction } from '@angular/cdk/bidi';
import { NzConfigKey, NzConfigService } from 'ng-zorro-antd/core/config';
import { NzSafeAny } from 'ng-zorro-antd/core/types';
import { Platform } from '@angular/cdk/platform';
import { Observable } from 'rxjs';

declare class NzCarouselContentDirective {
    private renderer;
    readonly el: HTMLElement;
    set isActive(value: boolean);
    get isActive(): boolean;
    private _active;
    static ɵfac: i0.ɵɵFactoryDeclaration<NzCarouselContentDirective, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NzCarouselContentDirective, "[nz-carousel-content]", ["nzCarouselContent"], {}, {}, never, never, true, never>;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

type NzCarouselEffects = 'fade' | 'scrollx' | string;
type NzCarouselDotPosition = 'top' | 'bottom' | 'left' | 'right' | string;
interface NzCarouselComponentAsSource {
    carouselContents: QueryList<NzCarouselContentDirective>;
    el: HTMLElement;
    nzTransitionSpeed: number;
    vertical: boolean;
    slickListEl: HTMLElement;
    slickTrackEl: HTMLElement;
    activeIndex: number;
    dir: Direction;
    ngZone: NgZone;
}
interface NzCarouselStrategyRegistryItem {
    name: string;
    strategy: NzCarouselBaseStrategy;
}
declare const NZ_CAROUSEL_CUSTOM_STRATEGIES: InjectionToken<NzCarouselStrategyRegistryItem[]>;
interface PointerVector {
    x: number;
    y: number;
}
interface FromToInterface {
    from: number;
    to: number;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

declare abstract class NzCarouselBaseStrategy<T = NzSafeAny> {
    protected cdr: ChangeDetectorRef;
    protected renderer: Renderer2;
    protected platform: Platform;
    protected options?: T | undefined;
    protected carouselComponent: NzCarouselComponentAsSource | null;
    protected contents: NzCarouselContentDirective[];
    protected slickListEl: HTMLElement;
    protected slickTrackEl: HTMLElement;
    protected length: number;
    protected unitWidth: number;
    protected unitHeight: number;
    protected get maxIndex(): number;
    protected get firstEl(): HTMLElement;
    protected get lastEl(): HTMLElement;
    constructor(carouselComponent: NzCarouselComponentAsSource, cdr: ChangeDetectorRef, renderer: Renderer2, platform: Platform, options?: T | undefined);
    /**
     * Initialize dragging sequences.
     *
     * @param contents
     */
    withCarouselContents(contents: QueryList<NzCarouselContentDirective> | null): void;
    /**
     * Trigger transition.
     */
    abstract switch(_f: number, _t: number): Observable<void>;
    /**
     * When user drag the carousel component.
     *
     * @optional
     */
    dragging(_vector: PointerVector): void;
    /**
     * Destroy a scroll strategy.
     */
    dispose(): void;
    protected getFromToInBoundary(f: number, t: number): FromToInterface;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

declare class NzCarouselComponent implements AfterContentInit, AfterViewInit, OnChanges, OnInit {
    readonly _nzModuleName: NzConfigKey;
    readonly nzConfigService: NzConfigService;
    readonly ngZone: NgZone;
    private readonly renderer;
    private readonly cdr;
    private readonly platform;
    private readonly resizeService;
    private readonly nzDragService;
    private nzResizeObserver;
    private destroyRef;
    carouselContents: QueryList<NzCarouselContentDirective>;
    slickList: ElementRef<HTMLElement>;
    slickTrack: ElementRef<HTMLElement>;
    nzDotRender?: TemplateRef<{
        $implicit: number;
    }>;
    nzEffect: NzCarouselEffects;
    nzEnableSwipe: boolean;
    nzDots: boolean;
    nzAutoPlay: boolean;
    nzAutoPlaySpeed: number;
    nzTransitionSpeed: number;
    nzLoop: boolean;
    /**
     * this property is passed directly to an NzCarouselBaseStrategy
     */
    nzStrategyOptions: NzSafeAny;
    set nzDotPosition(value: NzCarouselDotPosition);
    get nzDotPosition(): NzCarouselDotPosition;
    private _dotPosition;
    readonly nzBeforeChange: EventEmitter<FromToInterface>;
    readonly nzAfterChange: EventEmitter<number>;
    activeIndex: number;
    el: HTMLElement;
    slickListEl: HTMLElement;
    slickTrackEl: HTMLElement;
    strategy?: NzCarouselBaseStrategy;
    vertical: boolean;
    transitionInProgress?: ReturnType<typeof setTimeout>;
    dir: Direction;
    private gestureRect;
    private pointerDelta;
    private isTransiting;
    private isDragging;
    private directionality;
    private customStrategies;
    constructor();
    ngOnInit(): void;
    ngAfterContentInit(): void;
    ngAfterViewInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    next(): void;
    pre(): void;
    goTo(index: number): void;
    private switchStrategy;
    private scheduleNextTransition;
    private clearScheduledTransition;
    private markContentActive;
    /**
     * Drag carousel.
     */
    pointerDown: (event: TouchEvent | MouseEvent) => void;
    layout(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NzCarouselComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NzCarouselComponent, "nz-carousel", ["nzCarousel"], { "nzDotRender": { "alias": "nzDotRender"; "required": false; }; "nzEffect": { "alias": "nzEffect"; "required": false; }; "nzEnableSwipe": { "alias": "nzEnableSwipe"; "required": false; }; "nzDots": { "alias": "nzDots"; "required": false; }; "nzAutoPlay": { "alias": "nzAutoPlay"; "required": false; }; "nzAutoPlaySpeed": { "alias": "nzAutoPlaySpeed"; "required": false; }; "nzTransitionSpeed": { "alias": "nzTransitionSpeed"; "required": false; }; "nzLoop": { "alias": "nzLoop"; "required": false; }; "nzStrategyOptions": { "alias": "nzStrategyOptions"; "required": false; }; "nzDotPosition": { "alias": "nzDotPosition"; "required": false; }; }, { "nzBeforeChange": "nzBeforeChange"; "nzAfterChange": "nzAfterChange"; }, ["carouselContents"], ["*"], true, never>;
    static ngAcceptInputType_nzEnableSwipe: unknown;
    static ngAcceptInputType_nzDots: unknown;
    static ngAcceptInputType_nzAutoPlay: unknown;
    static ngAcceptInputType_nzAutoPlaySpeed: unknown;
    static ngAcceptInputType_nzTransitionSpeed: unknown;
}

declare class NzCarouselModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<NzCarouselModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<NzCarouselModule, never, [typeof NzCarouselComponent, typeof NzCarouselContentDirective], [typeof NzCarouselComponent, typeof NzCarouselContentDirective]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<NzCarouselModule>;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

declare class NzCarouselOpacityStrategy extends NzCarouselBaseStrategy {
    withCarouselContents(contents: QueryList<NzCarouselContentDirective> | null): void;
    switch(_f: number, _t: number): Observable<void>;
    dispose(): void;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

interface NzCarouselTransformStrategyOptions {
    direction: 'left' | 'right';
}
declare class NzCarouselTransformStrategy extends NzCarouselBaseStrategy<NzCarouselTransformStrategyOptions> {
    private isDragging;
    private isTransitioning;
    private get vertical();
    constructor(carouselComponent: NzCarouselComponentAsSource, cdr: ChangeDetectorRef, renderer: Renderer2, platform: Platform, options?: NzCarouselTransformStrategyOptions);
    dispose(): void;
    withCarouselContents(contents: QueryList<NzCarouselContentDirective> | null): void;
    switch(_f: number, _t: number): Observable<void>;
    dragging(_vector: PointerVector): void;
    private verticalTransform;
    private horizontalTransform;
    private prepareVerticalContext;
    private prepareHorizontalContext;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

interface NzCarouselTransformOnLoopStrategyOptions {
    direction: 'left' | 'right';
}
/**
 * this strategy is very much like NzCarouselTransformStrategy, but it doesn't loop between the first and the last one
 */
declare class NzCarouselTransformNoLoopStrategy extends NzCarouselBaseStrategy<NzCarouselTransformOnLoopStrategyOptions> {
    private isTransitioning;
    private get vertical();
    constructor(carouselComponent: NzCarouselComponentAsSource, cdr: ChangeDetectorRef, renderer: Renderer2, platform: Platform, options?: NzCarouselTransformOnLoopStrategyOptions);
    dispose(): void;
    withCarouselContents(contents: QueryList<NzCarouselContentDirective> | null): void;
    switch(_f: number, _t: number): Observable<void>;
    dragging(vector: PointerVector): void;
}

/**
 * Use of this source code is governed by an MIT-style license that can be
 * found in the LICENSE file at https://github.com/NG-ZORRO/ng-zorro-antd/blob/master/LICENSE
 */

declare class NzCarouselFlipStrategy extends NzCarouselBaseStrategy {
    withCarouselContents(contents: QueryList<NzCarouselContentDirective> | null): void;
    switch(rawF: number, rawT: number): Observable<void>;
    dispose(): void;
}

export { NZ_CAROUSEL_CUSTOM_STRATEGIES, NzCarouselBaseStrategy, NzCarouselComponent, NzCarouselContentDirective, NzCarouselFlipStrategy, NzCarouselModule, NzCarouselOpacityStrategy, NzCarouselTransformNoLoopStrategy, NzCarouselTransformStrategy };
export type { FromToInterface, NzCarouselComponentAsSource, NzCarouselDotPosition, NzCarouselEffects, NzCarouselStrategyRegistryItem, PointerVector };