import { AfterContentChecked, DoCheck, ElementRef, EventEmitter, IterableDiffers, ChangeDetectorRef, InjectionToken } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { DomSanitizer, SafeHtml } from '@angular/platform-browser';
import { BehaviorSubject } from 'rxjs/BehaviorSubject';
import 'rxjs/add/observable/empty';
import 'rxjs/add/observable/from';
import 'rxjs/add/observable/of';
import 'rxjs/add/operator/distinctUntilChanged';
import 'rxjs/add/operator/combineLatest';
import 'rxjs/add/operator/mergeMap';
import 'rxjs/add/operator/toArray';
import 'rxjs/add/operator/filter';
import 'rxjs/add/operator/share';
import 'rxjs/add/operator/merge';
import 'rxjs/add/operator/map';
import 'rxjs/add/operator/do';
import { NgxSelectOption, TSelectOption } from './ngx-select.classes';
import { NgxSelectOptionDirective, NgxSelectOptionNotFoundDirective, NgxSelectOptionSelectedDirective } from './ngx-templates.directive';
import { INgxOptionNavigated, INgxSelectOption, INgxSelectOptions } from './ngx-select.interfaces';
export declare const NGX_SELECT_OPTIONS: InjectionToken<any>;
export interface INgxSelectComponentMouseEvent extends MouseEvent {
    clickedSelectComponent?: NgxSelectComponent;
}
export declare class NgxSelectComponent implements INgxSelectOptions, ControlValueAccessor, DoCheck, AfterContentChecked {
    private sanitizer;
    private cd;
    items: any[];
    optionValueField: string;
    optionTextField: string;
    optGroupLabelField: string;
    optGroupOptionsField: string;
    multiple: boolean;
    allowClear: boolean;
    placeholder: string;
    noAutoComplete: boolean;
    disabled: boolean;
    defaultValue: any[];
    autoSelectSingleOption: boolean;
    autoClearSearch: boolean;
    noResultsFound: string;
    size: 'small' | 'default' | 'large';
    searchCallback: (search: string, item: INgxSelectOption) => boolean;
    autoActiveOnMouseEnter: boolean;
    keyCodeToRemoveSelected: string;
    keyCodeToOptionsOpen: string;
    keyCodeToOptionsClose: string;
    keyCodeToOptionsSelect: string;
    keyCodeToNavigateFirst: string;
    keyCodeToNavigatePrevious: string;
    keyCodeToNavigateNext: string;
    keyCodeToNavigateLast: string;
    typed: EventEmitter<string>;
    focus: EventEmitter<void>;
    blur: EventEmitter<void>;
    open: EventEmitter<void>;
    close: EventEmitter<void>;
    select: EventEmitter<any>;
    remove: EventEmitter<any>;
    navigated: EventEmitter<INgxOptionNavigated>;
    selectionChanges: EventEmitter<INgxSelectOption[]>;
    protected mainElRef: ElementRef;
    protected inputElRef: ElementRef;
    protected choiceMenuElRef: ElementRef;
    templateOption: NgxSelectOptionDirective;
    templateSelectedOption: NgxSelectOptionSelectedDirective;
    templateOptionNotFound: NgxSelectOptionNotFoundDirective;
    optionsOpened: boolean;
    optionsFiltered: TSelectOption[];
    private optionActive;
    private itemsDiffer;
    private defaultValueDiffer;
    private actualValue;
    subjOptions: BehaviorSubject<TSelectOption[]>;
    private subjSearchText;
    private subjOptionsSelected;
    private subjExternalValue;
    private subjDefaultValue;
    private subjRegisterOnChange;
    private cacheOptionsFilteredFlat;
    private cacheElementOffsetTop;
    private _focusToInput;
    isFocused: boolean;
    constructor(iterableDiffers: IterableDiffers, sanitizer: DomSanitizer, cd: ChangeDetectorRef, defaultOptions: INgxSelectOptions);
    setFormControlSize(otherClassNames?: Object, useFormControl?: boolean): Object;
    setBtnSize(): {
        'btn-sm': boolean;
        'btn-lg': boolean;
    };
    readonly optionsSelected: NgxSelectOption[];
    mainClicked(event: INgxSelectComponentMouseEvent): void;
    documentClick(event: INgxSelectComponentMouseEvent): void;
    private optionsFilteredFlat();
    private navigateOption(navigation);
    ngDoCheck(): void;
    ngAfterContentChecked(): void;
    canClearNotMultiple(): boolean;
    focusToInput(): void;
    inputKeyDown(event: KeyboardEvent): void;
    trackByOption(index: number, option: TSelectOption): string | number;
    checkInputVisibility(): boolean;
    /** @internal */
    inputKeyUp(value: string, event: KeyboardEvent): void;
    /** @internal */
    inputClick(value?: string): void;
    /** @internal */
    sanitize(html: string): SafeHtml;
    /** @internal */
    highlightOption(option: NgxSelectOption): SafeHtml;
    /** @internal */
    optionSelect(option: NgxSelectOption, event?: Event): void;
    /** @internal */
    optionRemove(option: NgxSelectOption, event: Event): void;
    /** @internal */
    optionActivate(navigated: INgxOptionNavigated): void;
    /** @internal */
    onMouseEnter(navigated: INgxOptionNavigated): void;
    private filterOptions(search, options, selectedOptions);
    private ensureVisibleElement(element);
    optionsOpen(search?: string): void;
    optionsClose(): void;
    private buildOptions(data);
    private buildOption(data, parent);
    onChange: (v: any) => any;
    onTouched: () => void;
    writeValue(obj: any): void;
    registerOnChange(fn: (_: any) => {}): void;
    registerOnTouched(fn: () => {}): void;
    setDisabledState(isDisabled: boolean): void;
}