import { SnackbarBase as _SnackbarBase } from '@material/mwc-snackbar/mwc-snackbar-base';
export declare class SnackbarBase extends _SnackbarBase {
    constructor();
    open: boolean;
    timeoutMs: number;
    closeOnEscape: boolean;
    labelText: string;
    stacked: boolean;
    leading: boolean;
    show(): void;
    close(reason?: string | undefined): void;
    emitOpeningHandler(): void;
    emitOpenedHandler(): void;
    emitClosingHandler(e: Event): void;
    emitClosedHandler(e: Event): void;
}