import { ElementRef, EventEmitter, QueryList, WritableSignal } from '@angular/core';
import { displayExtraButtonFieldElement } from '../../tcc-abstract-display-element';
import { TccInputMask } from '../../../../models/inputMask.model';
import { TccKeyValuePair } from '../../../../../odata/models/shared.model';
import { ConnectedPosition, Overlay } from '@angular/cdk/overlay';
import { TccTranslationPipe } from '../../../../pipes/tcc-translation/tcc-translation.pipe';
import { TccFormFieldComponent } from '../../../tcc-form-field/tcc-form-field.component';
import { GetDisplayValuePipe } from './pipes/get-display-value-pipe';
export declare class TccSelectElementComponent extends displayExtraButtonFieldElement {
    private overlay;
    private translationPipe;
    private getDisplayValuePipe;
    activeElement: ElementRef<HTMLInputElement>;
    formField: TccFormFieldComponent;
    htmlOptions: QueryList<ElementRef>;
    set element(element: TccInputMask._DisplaySelectElement);
    set options(options: TccInputMask.options);
    selectOpen: EventEmitter<TccInputMask.eventTrigger>;
    createNewEntity: EventEmitter<TccInputMask.eventTrigger>;
    set overlayOpen(overlayOpen: boolean);
    get overlayOpen(): boolean;
    overlayPositions: ConnectedPosition[];
    scrollStrategy: import("@angular/cdk/overlay").CloseScrollStrategy;
    _overlayOpen$: WritableSignal<boolean>;
    isSelectPanelAnchorVisible: boolean;
    _element: TccInputMask._DisplaySelectElement;
    currFilterValue: string;
    _selections: TccKeyValuePair[] | Array<TccInputMask._SelectGroupSelection>;
    _forceSelection: boolean;
    _filteredSelections$: WritableSignal<TccKeyValuePair[] | Array<TccInputMask._SelectGroupSelection>>;
    private flattnedKeys;
    activeOption: string;
    overlayClicked: boolean;
    _multiple: boolean;
    loadSelection: boolean;
    _value: string;
    _default: string | number;
    _tooltip: boolean;
    _openOnEnter: boolean;
    _notSelectedOption: boolean;
    private tempSelections;
    isAllSelected: boolean;
    _createElementPath: string;
    _disableLabelFloating: boolean;
    private optionToGroupRelation;
    document: Document;
    /**
     * safes if the value is currently changed, so that the value from the input will only be deleted on the first change.
     */
    private valueTouched;
    private selectPanelIntersectionObserver;
    valueSuggestion: {
        value: string | number | string[] | number[];
        options: TccInputMask.setValueSuggestionOptions;
    };
    constructor(elementRef: ElementRef, overlay: Overlay, translationPipe: TccTranslationPipe, getDisplayValuePipe: GetDisplayValuePipe);
    private startPanelIntersectionObserver;
    private stopPanelIntersectionObserver;
    /**
     * builds event output object
     *
     * @returns The eventOutput
    */
    protected buildEventOutput(notChanged?: boolean): TccInputMask.eventOutput;
    /**
     * @returns the option group, from which the option was selected. Undefined if no option was selected or the select has no option groups.
    */
    private getSelectOptionContext;
    private _getSelectOptionContext;
    /**
     * resets the element to its complete init state (using the inputElement config)
    */
    reset(): void;
    /**
     * refreshes the selection list, if getSelectionsFunction is given
     */
    refreshSelectionList(): void;
    private _refreshSelectionList;
    private normalizeSelections;
    private setFlattendKeys;
    protected onSetElement(): void;
    protected onSetForm(): void;
    filterSelections(): void;
    setValue(value: string | number | string[], options?: {
        setValueChange?: boolean;
        emitChangeEvent?: boolean;
        index?: number;
    }): void;
    /**
     * get the value of the element
     *
     * @returns element.value
    */
    _getValue(onlyChanged?: boolean): string | number | string[] | number[];
    refresh(): void;
    verify(): boolean;
    focus(): void;
    onSelectOpen(): void;
    /**
     * sets the selections (overwrites previouse) TODO ybr option group wird momentan nicht unterstützt
     *
     * @param {Array<string>|Array<TccKeyValuePair>} selections
    */
    setSelections(selections: Array<string> | Array<TccKeyValuePair>): void;
    /**
     * adds an element to the selections
     *
     * @param {string | TccKeyValuePair} value
    */
    addToSelection(value: string | TccKeyValuePair, allowDuplicates?: boolean): void;
    /**
     * removes an element from the selections
     *
     * @param {string | TccKeyValuePair} value
    */
    removeFromSelection(value: string | TccKeyValuePair): void;
    protected changeElement(): void;
    overlayContainerClick(): void;
    overlayContainerMouseDown(): void;
    toggleSelectAll(): void;
    private extractAllKeys;
    startLoadOptions(): void;
    endLoadOptions(): void;
    onCreateNewEntity(): void;
    isOptionGroup(option: TccKeyValuePair | TccInputMask._SelectGroupSelection): option is TccInputMask._SelectGroupSelection;
    isMultiSelect(selectElement: TccInputMask._DisplaySelectElement): selectElement is TccInputMask._DisplayMultiASyncSelectElement | TccInputMask._DisplayMultiSyncSelectElement;
    onKeyUpEnter(event: KeyboardEvent): void;
    onKeyDown(event: KeyboardEvent): void;
    private activateNextOption;
    private activatePreviousOption;
    private getFlatSelections;
    overlayMouseDown(): void;
    optionClick(event: MouseEvent, key: string): void;
    private handleCheckboxChange;
    focusOutEvent(): void;
    openOverlay(): void;
    toggleOverlay(): void;
    attachOverlay(): void;
    detachOverlay(): void;
    closeOverlay(): void;
    _focusEvent(): void;
}