import { AfterContentInit, OnInit, QueryList } from '@angular/core';
import { Subject } from 'rxjs';
import { ButtonComponent } from '../button/button.component';
export declare class FabComponent implements OnInit, AfterContentInit {
    expandedItems: QueryList<ButtonComponent>;
    disabled: boolean;
    isExpandedChanged: Subject<boolean>;
    isExpanded: boolean;
    private _totalListItems;
    constructor();
    ngOnInit(): void;
    ngAfterContentInit(): void;
    expand(): void;
}