import * as _angular_core from '@angular/core';
import { OnDestroy, ElementRef, TemplateRef, Type, InputSignal, Provider, AfterViewInit, DestroyRef, EnvironmentProviders, InjectionToken } from '@angular/core';
import { Overlay, ConnectionPositionPair, FlexibleConnectedPositionStrategyOrigin, OverlayRef } from '@angular/cdk/overlay';
import { Subject } from 'rxjs';
import * as _lucca_front_ng_popover2 from '@lucca-front/ng/popover2';
import { LuTranslation } from '@lucca-front/ng/core';

interface LuCalloutLabel {
    screenReaderDescription: string;
}

type PopoverPosition = 'above' | 'below' | 'before' | 'after';
declare class PopoverDirective implements OnDestroy {
    #private;
    overlay: Overlay;
    elementRef: ElementRef<HTMLElement>;
    intl: _angular_core.InputSignalWithTransform<LuCalloutLabel, Partial<LuCalloutLabel>>;
    content: TemplateRef<unknown> | Type<unknown>;
    luPopoverPosition: InputSignal<PopoverPosition>;
    overlayScrollStrategy: 'reposition' | 'block' | 'close';
    luPopoverDisabled: boolean;
    luPopoverTrigger: _angular_core.ModelSignal<"click" | "click+hover" | "hover+focus">;
    customPositions?: ConnectionPositionPair[];
    /**
     * Removes close button entirely, this is bad for a11y but sometimes we want it.
     */
    luPopoverNoCloseButton: boolean;
    /**
     * Allows to anchor the popover to another element instead of the trigger one
     * for placement purpose
     */
    luPopoverAnchor: InputSignal<FlexibleConnectedPositionStrategyOrigin>;
    luPopoverOpenDelay: InputSignal<number>;
    luPopoverCloseDelay: InputSignal<number>;
    luPopoverPositionRef: _angular_core.WritableSignal<PopoverPosition>;
    open$: Subject<"click" | "focus" | "hover">;
    close$: Subject<void>;
    luPopoverClosed: _angular_core.OutputEmitterRef<void>;
    luPopoverOpened: _angular_core.OutputEmitterRef<void>;
    positionPairs: Record<PopoverPosition, ConnectionPositionPair>;
    opened: _angular_core.WritableSignal<boolean>;
    ariaControls: string;
    protected additionalProviders: Provider[];
    constructor();
    ngOnDestroy(): void;
    onMouseEnter(): void;
    onFocus(): void;
    onMouseLeave(): void;
    click(): void;
    close(): void;
    openPopover(withBackdrop?: boolean, disableCloseButtonFocus?: boolean, disableInitialTriggerFocus?: boolean): void;
    focusBackToContent(event: Event): void;
    focusOutBefore(): void;
    updatePosition(): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<PopoverDirective, never>;
    static ɵdir: _angular_core.ɵɵDirectiveDeclaration<PopoverDirective, "[luPopover2]", ["luPopover2"], { "intl": { "alias": "intl"; "required": false; "isSignal": true; }; "content": { "alias": "luPopover2"; "required": false; }; "luPopoverPosition": { "alias": "luPopoverPosition"; "required": false; "isSignal": true; }; "overlayScrollStrategy": { "alias": "overlayScrollStrategy"; "required": false; }; "luPopoverDisabled": { "alias": "luPopoverDisabled"; "required": false; }; "luPopoverTrigger": { "alias": "luPopoverTrigger"; "required": false; "isSignal": true; }; "customPositions": { "alias": "customPositions"; "required": false; }; "luPopoverNoCloseButton": { "alias": "luPopoverNoCloseButton"; "required": false; }; "luPopoverAnchor": { "alias": "luPopoverAnchor"; "required": false; "isSignal": true; }; "luPopoverOpenDelay": { "alias": "luPopoverOpenDelay"; "required": false; "isSignal": true; }; "luPopoverCloseDelay": { "alias": "luPopoverCloseDelay"; "required": false; "isSignal": true; }; }, { "luPopoverTrigger": "luPopoverTriggerChange"; "luPopoverClosed": "luPopoverClosed"; "luPopoverOpened": "luPopoverOpened"; }, never, never, true, never>;
    static ngAcceptInputType_luPopoverDisabled: unknown;
    static ngAcceptInputType_luPopoverNoCloseButton: unknown;
}

declare class PopoverContentComponent implements AfterViewInit, OnDestroy {
    #private;
    intl: _angular_core.InputSignalWithTransform<_lucca_front_ng_popover2.ILuPopover2Label, Partial<_lucca_front_ng_popover2.ILuPopover2Label>>;
    config: _lucca_front_ng_popover2.PopoverConfig;
    destroyRef: DestroyRef;
    contentId: string;
    content: _angular_core.TemplateRef<unknown> | _angular_core.Type<unknown>;
    closed$: Subject<void>;
    contentChangedDebounceTime: number;
    mouseEnter$: Subject<void>;
    mouseEnter(): void;
    mouseLeave$: Subject<void>;
    mouseLeave(): void;
    contentChanged(): void;
    ngOnDestroy(): void;
    ngAfterViewInit(): void;
    grabFocus(): void;
    close(): void;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<PopoverContentComponent, never>;
    static ɵcmp: _angular_core.ɵɵComponentDeclaration<PopoverContentComponent, "lu-popover-content", never, { "intl": { "alias": "intl"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

declare function configureLuPopover(): EnvironmentProviders;

declare const LU_POPOVER2_TRANSLATIONS: InjectionToken<LuTranslation<ILuPopover2Label>>;
interface ILuPopover2Label {
    close: string;
}
declare const luPopoverTranslations: LuTranslation<ILuPopover2Label>;

interface PopoverConfig {
    triggerElement: HTMLElement;
    content: TemplateRef<unknown> | Type<unknown>;
    ref: OverlayRef;
    contentId: string;
    disableCloseButtonFocus: boolean;
    disableInitialTriggerFocus: boolean;
    noCloseButton: boolean;
}
declare const POPOVER_CONFIG: InjectionToken<PopoverConfig>;

export { LU_POPOVER2_TRANSLATIONS, POPOVER_CONFIG, PopoverContentComponent, PopoverDirective, configureLuPopover, luPopoverTranslations };
export type { ILuPopover2Label, PopoverConfig, PopoverPosition };