import { ElementRef, TemplateRef, EventEmitter } from '@angular/core';
import { ControlValueAccessor } from '@angular/forms';
import { FilterOptionsComponent } from './filter-options/filter-options.component';
import { MultiselectOption } from './models/multiselect-option.model';
export declare class NgxMultiselectComponent implements ControlValueAccessor {
    private elementRef;
    constructor(elementRef: ElementRef);
    private _multiple;
    private _theme;
    private _optionsCopy;
    private _isOpen;
    private operationPendingQueue;
    _selectedOptions: MultiselectOption | MultiselectOption[] | null;
    _defaultPropertyMap: Record<string, string>;
    _defaultPropertyMapLength: number;
    _options: MultiselectOption[];
    matMultiselect: boolean;
    bsMultiselect: boolean;
    disabled: boolean;
    color: string;
    groupedProperty: string;
    showHelperElements: boolean;
    showSearchFilter: boolean;
    showMaxLabels: number;
    _optionsTemplate: TemplateRef<any>;
    get optionsTemplate(): TemplateRef<any>;
    set optionsTemplate(template: TemplateRef<any>);
    get theme(): string;
    set theme(val: string);
    set isOpen(value: boolean);
    get isOpen(): boolean;
    set propertyMap(val: Record<string, string>);
    get multiple(): boolean;
    set multiple(value: boolean);
    set options(collection: MultiselectOption[]);
    onOpen: EventEmitter<void>;
    onClose: EventEmitter<void>;
    onItemClick: EventEmitter<MultiselectOption>;
    onGroupItemClick: EventEmitter<MultiselectOption>;
    onSelectAll: EventEmitter<void>;
    onSelectNone: EventEmitter<void>;
    onReset: EventEmitter<void>;
    onClear: EventEmitter<void>;
    onSearchChange: EventEmitter<string>;
    filterOptions: FilterOptionsComponent;
    addOperation(item: any): void;
    popOperation(): MultiselectOption;
    finishPendingOperations(): void;
    isOperationPending(): number;
    private _initialValue;
    set initialValue(value: MultiselectOption | MultiselectOption[]);
    get initialValue(): MultiselectOption | MultiselectOption[];
    onChange: (_: MultiselectOption | MultiselectOption[]) => void;
    onTouched: () => void;
    writeValue(value: MultiselectOption | MultiselectOption[]): void;
    private formatPrepopulatedValues;
    registerOnChange(fn: (value: MultiselectOption | MultiselectOption[] | null) => void): void;
    registerOnTouched(fn: () => MultiselectOption): void;
    setOptions(options: MultiselectOption[]): void;
    getOptions(): MultiselectOption[];
    getOptionsCopy(): MultiselectOption[];
    filterOptionsList: (val: string) => void;
    isValueSelected(): number | MultiselectOption | MultiselectOption[];
    searchChange(val: string): void;
    close(): void;
    removeItem(collection: MultiselectOption[], item: MultiselectOption): void;
    toggleDropdown(): void;
    prepopulateOptions(selected: MultiselectOption | MultiselectOption[]): void;
    select(option: MultiselectOption): void;
    selectAll(): void;
    selectNone(): void;
    borderBottom(): {
        borderBottom: string;
    } | {
        borderBottom?: undefined;
    };
    selectGroup(group: MultiselectOption): void;
    reset(): void;
    viewToModel(selected: MultiselectOption | MultiselectOption[] | null): void;
    clear(event: Event): void;
    setDisabledState(isDisabled: boolean): void;
    ngOnInit(): void;
    clickOutSide(event: HTMLElement): void;
}