import { ConfigurableFocusTrapFactory } from '@angular/cdk/a11y';
import { ConnectedPosition, Overlay, OverlayConfig } from '@angular/cdk/overlay';
import { AfterContentInit, ChangeDetectorRef, EventEmitter, OnInit, QueryList, TemplateRef, ViewContainerRef } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { Observable } from 'rxjs';
import { KcControl, KcControlType } from '@k5cjs/control';
import { KcOptionComponent } from './components';
import { KcOriginDirective } from './directives';
import { KcGroup, KcOption, KcOptionGroupValue, KcOptionSelection, KcOptionValue, KcSelect } from './types';
import * as i0 from "@angular/core";
export declare class KcSelectComponent<V, K, L> extends KcControl<KcOptionValue<V> | KcOptionGroupValue<V>> implements OnInit, AfterContentInit, ControlValueAccessor, KcSelect, KcControlType<KcOptionValue<V> | KcOptionGroupValue<V>> {
    private _overlay;
    private _viewContainerRef;
    private _cdr;
    private _trap;
    get options(): Observable<KcOption<V, K, L>[] | KcOption<V, K, L>[][] | KcGroup<V, K, L>>;
    set options(options: Observable<KcOption<V, K, L>[] | KcOption<V, K, L>[][] | KcGroup<V, K, L>> | KcOption<V, K, L>[] | KcOption<V, K, L>[][] | KcGroup<V, K, L>);
    private _options;
    private _optionsCache;
    /**
     * allow user to open selection in modal
     */
    get multiple(): boolean;
    set multiple(value: boolean | string);
    private _multiple;
    /**
     * allow user to open selection in modal
     */
    get dialog(): boolean;
    set dialog(value: boolean | string);
    private _dialog;
    /**
     * allow user to change origin from where selection will be opened
     */
    origin: KcOriginDirective | undefined;
    cdkOverlayConfig: OverlayConfig;
    positions: ConnectedPosition[];
    closed: EventEmitter<KcOptionValue<V> | KcOptionGroupValue<V>>;
    submitted: EventEmitter<KcOptionValue<V> | KcOptionGroupValue<V>>;
    private _valueRef;
    templateRef: TemplateRef<unknown>;
    optionComponents: QueryList<KcOptionComponent<V, K, L>>;
    private _valueDirective?;
    private _groupDirectives;
    private _optionsDirectives;
    set value(val: KcOptionValue<V> | KcOptionGroupValue<V>);
    get value(): KcOptionValue<V> | KcOptionGroupValue<V>;
    private _value;
    /**
     * selectionOpened variable is for check if the overlay or dialog is open
     */
    selectionOpened: boolean;
    selection: KcOptionSelection<V, K, L>;
    allSelected: boolean;
    allSelectedChanged: Observable<boolean>;
    private _allSelectedChanged;
    private _dialogOverlayRef;
    private _tabIndex;
    private _subscriptionOptions?;
    private _subscriptionChanges?;
    constructor(_overlay: Overlay, _viewContainerRef: ViewContainerRef, _cdr: ChangeDetectorRef, _trap: ConfigurableFocusTrapFactory, tabIndex: string);
    ngOnInit(): void;
    ngAfterContentInit(): void;
    writeValue(obj: KcOptionValue<V> | KcOptionGroupValue<V>): void;
    /**
     * allow element to be focusable
     */
    get tabindex(): number;
    protected _keydown(event: KeyboardEvent): void;
    /**
     * open selection when user click on element
     */
    click(): void;
    /**
     * focus on element when user press tab to focus on element
     * and don't open selection, to open selection user need to press space
     */
    _focus(): void;
    /**
     * close selection when user press tab to blur on element
     */
    _blur(): void;
    open(): void;
    close(): void;
    submit(): void;
    keydown(event: KeyboardEvent): void;
    selectAll(): void;
    deselectAll(): void;
    toggle(): void;
    clear(): void;
    private _removeOptionsSubscription;
    private _initSelectionModel;
    private _updateSelectionModel;
    private _getOptions;
    /**
     * check selected options
     */
    private get _getSelectedOptions();
    private _createObservableOptions;
    private _openOverlay;
    private _repositionOnScroll;
    private _getScrollParent;
    private _getPositionStrategy;
    private _closeOverlay;
    /** Invoked when an option is clicked. */
    private _onSelect;
    static ɵfac: i0.ɵɵFactoryDeclaration<KcSelectComponent<any, any, any>, [null, null, null, null, { attribute: "tabindex"; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<KcSelectComponent<any, any, any>, "kc-select", ["kcSelect"], { "options": { "alias": "options"; "required": false; }; "multiple": { "alias": "multiple"; "required": false; }; "dialog": { "alias": "dialog"; "required": false; }; "origin": { "alias": "origin"; "required": false; }; "cdkOverlayConfig": { "alias": "cdkOverlayConfig"; "required": false; }; "positions": { "alias": "positions"; "required": false; }; }, { "closed": "closed"; "submitted": "submitted"; }, ["_valueDirective", "optionComponents", "_groupDirectives", "_optionsDirectives"], ["*"], false, never>;
}