import { EventEmitter, TemplateRef, OnChanges } from '@angular/core';
import { GroupByMultiselectOption, MultiselectOption } from '../models/multiselect-option.model';
export declare class GroupedOptionsComponent implements OnChanges {
    _options: GroupByMultiselectOption[];
    _selectedOptions: GroupByMultiselectOption[];
    groupedOptions: GroupByMultiselectOption[];
    start: number;
    end: number;
    filteredOptions: GroupByMultiselectOption[];
    groupedProperty: string;
    disabled: boolean;
    multiple: boolean;
    set selectedOptions(value: GroupByMultiselectOption[]);
    optionsTemplate: TemplateRef<any>;
    set options(value: GroupByMultiselectOption[]);
    get options(): GroupByMultiselectOption[];
    selectGroup: EventEmitter<any>;
    selectOption: EventEmitter<any>;
    defaultOptionsTemplate: TemplateRef<any>;
    formGroupOptions(collection: GroupByMultiselectOption[], selectedOptions: GroupByMultiselectOption[]): void;
    getOptionStyle(option: GroupByMultiselectOption): {
        group: boolean;
        marked: boolean;
        disabled: boolean;
    };
    trackByFn(_: any, option: MultiselectOption | GroupByMultiselectOption): any;
    updateRange({ start, end }: any): void;
    select(option: GroupByMultiselectOption): void;
    ngOnChanges(): void;
}