import { Injector } from '@angular/core';
import { TlDatatable } from '../datatable';
export declare class TlDatatableColumnService {
    private injector;
    constructor(injector: Injector);
    private dt;
    onInitColumnService(datatable: TlDatatable): void;
    setColumns(): void;
    private exitsColumns;
    private getColumnsFromDataSource;
    private buildNewDataTableColumn;
    private getWidthColumn;
    private getColumnsFromContentChild;
}
