import { ElementRef } from '@angular/core';
import { TlDatatable } from '../../datatable';
import { TlDatatableDataSource } from '../../datatable-datasource.service';
export declare class TlDatatableNormalMode {
    datatable: TlDatatable;
    dataSourceService: TlDatatableDataSource;
    datatableTbodyRef: ElementRef;
    constructor(datatable: TlDatatable, dataSourceService: TlDatatableDataSource);
    onKeydown($event: any): void;
    handleKeyArrowDown(): void;
    handleKeyArrowUp(): void;
    handleKeyHome(): void;
    handleKeyEnd(): void;
    isLastRow(): boolean;
    isFirstRow(): boolean;
}