import { AfterContentInit, AfterViewInit, ElementRef, EventEmitter, OnDestroy, QueryList } from '@angular/core';
import { BehaviorSubject, Observable, Subject } from 'rxjs';
import { CommonFormControl } from '../form';
import { ComponentSize } from '../internal/types';
import { TooltipDirective } from '../tooltip';
import { OptionContentDirective } from './helper-directives';
import { OptionComponent } from './option/option.component';
import { OptionFilterFn, SelectFilterOption, TrackFn } from './select.types';
import * as i0 from "@angular/core";
export declare abstract class BaseSelect<T, V = T> extends CommonFormControl<V> implements AfterContentInit, AfterViewInit, OnDestroy {
    get size(): ComponentSize;
    set size(val: ComponentSize);
    filterable: boolean;
    clearable: boolean;
    filterFn: OptionFilterFn<T>;
    trackFn: TrackFn<T>;
    labelFn?: (value: T) => string;
    allowCreate: boolean;
    get allOptions(): OptionComponent<T>[];
    get opened(): boolean;
    get inaction(): boolean;
    get filterString(): string;
    set filterString(val: string);
    loading: boolean;
    placeholder: string;
    defaultFirstOption: boolean;
    lazy: boolean;
    filterChange: EventEmitter<string>;
    show: EventEmitter<void>;
    hide: EventEmitter<void>;
    protected selectRef: ElementRef<HTMLElement>;
    protected tooltipRef: TooltipDirective;
    protected optionListRef: ElementRef<HTMLDivElement>;
    protected inputtingOption: OptionComponent<T>;
    protected optionContent?: OptionContentDirective;
    customOptions: QueryList<OptionComponent<T>>;
    contentOptions: QueryList<OptionComponent<T>>;
    isTemplateRef: (label: any) => label is import("@angular/core").TemplateRef<unknown>;
    isMulti: boolean;
    /**
     * Utility field to make sure the users always see the value as type array
     */
    abstract readonly values$: Observable<T[]>;
    allOptions$: Observable<Array<OptionComponent<T>>>;
    protected focusedOption: OptionComponent<T>;
    private _size;
    private _filterString;
    protected destroy$$: Subject<void>;
    protected size$$: BehaviorSubject<ComponentSize>;
    private readonly filterString$$;
    size$: Observable<ComponentSize>;
    filterString$: Observable<string>;
    optionVisibles$: Observable<boolean[]>;
    hasVisibleOption$: Observable<boolean>;
    hasMatchedOption$: Observable<boolean>;
    customCreatedOptions$: Observable<Array<SelectFilterOption<T>>>;
    containerWidth: string;
    ngAfterContentInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    openOption(): void;
    closeOption(): void;
    onShowOptions(): void;
    onHideOptions(): void;
    onInput(event: Event): void;
    onKeyDown(event: KeyboardEvent): void;
    onOptionClick(option: OptionComponent<T>): void;
    protected autoFocusFirstOption(): void;
    protected focusOptionDir(dir: 'down' | 'up'): void;
    protected resetFocusedOption(focusedOption?: OptionComponent<T>): void;
    protected scrollToOption(option: OptionComponent<T>): void;
    protected selectFocusedOption(): void;
    protected escSelect(): void;
    private _trackFn;
    private _filterFn;
    abstract selectOption(option: OptionComponent<T>): void;
    abstract clearValue(event: Event): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<BaseSelect<any, any>, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<BaseSelect<any, any>, never, never, { "size": { "alias": "size"; "required": false; }; "filterable": { "alias": "filterable"; "required": false; }; "clearable": { "alias": "clearable"; "required": false; }; "filterFn": { "alias": "filterFn"; "required": false; }; "trackFn": { "alias": "trackFn"; "required": false; }; "labelFn": { "alias": "labelFn"; "required": false; }; "allowCreate": { "alias": "allowCreate"; "required": false; }; "loading": { "alias": "loading"; "required": false; }; "placeholder": { "alias": "placeholder"; "required": false; }; "defaultFirstOption": { "alias": "defaultFirstOption"; "required": false; }; "lazy": { "alias": "lazy"; "required": false; }; }, { "filterChange": "filterChange"; "show": "show"; "hide": "hide"; }, ["optionContent", "contentOptions"], never, true, never>;
    static ngAcceptInputType_filterable: unknown;
    static ngAcceptInputType_clearable: unknown;
    static ngAcceptInputType_allowCreate: unknown;
}