import { AfterContentInit, DoCheck, ElementRef, EventEmitter, OnChanges, OnDestroy, OnInit, QueryList, SimpleChanges } from "@angular/core";
import { RealosftSelectChange, RealsoftSelectTrigger } from "./models";
import { Observable, Subject } from "rxjs";
import { ControlValueAccessor, FormGroupDirective, NgControl, NgForm } from "@angular/forms";
import { SelectionModel } from "@angular/cdk/collections";
import { ActiveDescendantKeyManager } from "@angular/cdk/a11y";
import { CdkConnectedOverlay, CdkOverlayOrigin, ConnectedPosition, ScrollStrategy } from "@angular/cdk/overlay";
import { ErrorStateMatcher } from "./error-state-matcher";
import { RealsoftFormFieldControl } from "../form-field/directives/form-field-control";
import { RealsoftOptionSelectionChange } from "../option/models";
import { RealsoftFormField } from "../form-field/form-field";
import { RealsoftOption } from "../option/option";
import { RealsoftOptionGroup } from "../option-group/option-group";
import * as i0 from "@angular/core";
export declare class RealsoftSelect implements RealsoftFormFieldControl<any>, ControlValueAccessor, AfterContentInit, OnChanges, OnDestroy, OnInit, DoCheck {
    private _defaultSelectConfig;
    private _changeDetectorRef;
    private _hideSingleSelectionIndicator;
    private _disableOptionCentering;
    readonly stateChanges: Subject<void>;
    defaultErrorStateMatcher: ErrorStateMatcher;
    private _placeholder;
    private _required;
    ngControl: NgControl;
    private _multiple;
    _keyManager: ActiveDescendantKeyManager<RealsoftOption>;
    private _compareWith;
    private _panelOpen;
    private _value;
    private _focused;
    private _errorState;
    private _id;
    private _initializeOptions;
    private _uniqueIDGenerator;
    private _direction;
    private _selectNullableOptions;
    controlType: string;
    _wrapperFormField: RealsoftFormField;
    _overlayOrigin: CdkOverlayOrigin | ElementRef | undefined;
    readonly _elementRef: ElementRef<any>;
    _overlayWidth: string | number;
    private _trackedSelectDialog;
    private _liveAnnouncer;
    _overlayPanelClasses: string | string[];
    /** Strategy that will be used to handle scrolling while the select panel is open. */
    _scrollStrategy: ScrollStrategy;
    /** Factory function used to create a scroll strategy for this select. */
    private _scrollStrategyFactory;
    /** Emits whenever the component is destroyed. */
    readonly _destroy: Subject<void>;
    parentForm: NgForm;
    parentFormGroup: FormGroupDirective;
    _selectUniqueID: string;
    _overlayPositions: ConnectedPosition[];
    _selectValueID: string;
    private _control;
    /** Current `aria-labelledby` value for the select trigger. */
    private _triggerAriaLabelledBy;
    trigger: ElementRef;
    panel: ElementRef;
    _overlayPanel: CdkConnectedOverlay;
    _selectionModel: SelectionModel<RealsoftOption>;
    options: QueryList<RealsoftOption>;
    optionGroups: QueryList<RealsoftOptionGroup>;
    customTrigger: RealsoftSelectTrigger;
    ariaLabel: string;
    ariaLabelledby: string;
    userAriaDescribedBy: string;
    panelClass: string | string[] | Set<string> | {
        [key: string]: any;
    };
    disabled: boolean;
    tabIndex: number;
    get hideSingleSelectionIndicator(): boolean;
    set hideSingleSelectionIndicator(value: boolean);
    get placeholder(): string;
    set placeholder(value: string);
    get required(): boolean;
    set required(value: boolean);
    get multiple(): boolean;
    set multiple(value: boolean);
    disableOptionCentering: boolean;
    get compareWith(): (o1: any, o2: any) => boolean;
    set compareWith(fn: (o1: any, o2: any) => boolean);
    get value(): any;
    set value(newValue: any);
    private valueHasChanged;
    get errorStateMatcher(): ErrorStateMatcher;
    set errorStateMatcher(value: ErrorStateMatcher);
    typeaheadDebounceInterval: number;
    sortComparator: (a: RealsoftOption, b: RealsoftOption, options: RealsoftOption[]) => number;
    get id(): string;
    set id(value: string);
    panelWidth: string | number | null;
    get errorState(): boolean;
    set errorState(value: boolean);
    get shouldLabelFloat(): boolean;
    readonly optionSelectionChanges: Observable<RealsoftOptionSelectionChange>;
    readonly openedChange: EventEmitter<boolean>;
    readonly selectionChange: EventEmitter<RealosftSelectChange>;
    readonly valueChange: EventEmitter<any>;
    private _initiateErrorState;
    constructor();
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngAfterContentInit(): void;
    private _selectionModelChanges;
    private _optionsQueryListChanges;
    ngDoCheck(): void;
    private _selectTriggerARIALabelledby;
    private _optionReset;
    private _optionSelectionChanges;
    private _optionStateChanges;
    skipPredicate: (option: RealsoftOption) => boolean;
    onContainerClick(): void;
    initiateKeyManager(): void;
    private _keyManagerChangesSubscription;
    private _keyManagerTabOutSubscription;
    private _selection;
    private _selectOption;
    get panelOpen(): boolean;
    get selected(): RealsoftOption | RealsoftOption[];
    get empty(): boolean;
    get focused(): boolean;
    get triggerValue(): string;
    _isRTL(): boolean;
    updateErrorState(): void;
    _panelARIALabeldby(): string | null;
    close(): void;
    open(): void;
    private _sortValues;
    private _initializeSelection;
    _handleKeydown(event: KeyboardEvent): void;
    private _openPanelKeyEvents;
    _closedPanelKeyEvents(event: KeyboardEvent): void;
    private _getOverlayWidth;
    _onChange: (value: any) => void;
    _onTouched: () => void;
    writeValue(value: any): void;
    registerOnChange(fn: (value: any) => void): void;
    registerOnTouched(fn: () => {}): void;
    setDisabledState(isDisabled: boolean): void;
    toggle(): void;
    focus(options?: FocusOptions): void;
    _onFocus(): void;
    _onBlur(): void;
    setDescribedByIds(ids: string[]): void;
    _getAriaActiveDescendant(): string | null;
    _attached(): void;
    _scrollOptionIntoOverlayPanel(index: number): void;
    _optionScrollPosition(optionOffset: number, optionHeight: number, scrollPosition: number, selectPanelHeight: number): number;
    private _optionClick;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<RealsoftSelect, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<RealsoftSelect, "realsoft-select", ["realsoftSelect"], { "ariaLabel": { "alias": "aria-label"; "required": false; }; "ariaLabelledby": { "alias": "aria-labelledby"; "required": false; }; "userAriaDescribedBy": { "alias": "aria-describedby"; "required": false; }; "panelClass": { "alias": "panelClass"; "required": false; }; "disabled": { "alias": "disabled"; "required": false; }; "tabIndex": { "alias": "tabIndex"; "required": false; }; "hideSingleSelectionIndicator": { "alias": "hideSingleSelectionIndicator"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "required": { "alias": "required"; "required": false; }; "multiple": { "alias": "multiple"; "required": false; }; "disableOptionCentering": { "alias": "disableOptionCentering"; "required": false; }; "compareWith": { "alias": "compareWith"; "required": false; }; "value": { "alias": "value"; "required": false; }; "errorStateMatcher": { "alias": "errorStateMatcher"; "required": false; }; "typeaheadDebounceInterval": { "alias": "typeaheadDebounceInterval"; "required": false; }; "sortComparator": { "alias": "sortComparator"; "required": false; }; "id": { "alias": "id"; "required": false; }; "panelWidth": { "alias": "panelWidth"; "required": false; }; }, { "openedChange": "openedChange"; "selectionChange": "selectionChange"; "valueChange": "valueChange"; }, ["customTrigger", "options", "optionGroups"], ["realsoft-select-trigger", "*"], true, never>;
    static ngAcceptInputType_disabled: unknown;
    static ngAcceptInputType_hideSingleSelectionIndicator: unknown;
    static ngAcceptInputType_required: unknown;
    static ngAcceptInputType_multiple: unknown;
    static ngAcceptInputType_disableOptionCentering: unknown;
    static ngAcceptInputType_typeaheadDebounceInterval: unknown;
}