export declare class TableTdWidgetHelper {
    constructor();
    private getTableTdMetadata;
    insertColumns(rows: any[], targetColumnIndex: number): void;
    findPrevColIndex(t: number, e: number, rows: any[]): any;
    findNextColIndex(t: number, e: number, rows: any[]): any;
    findPrevRowIndex(t: number, e: number, rows: any[]): any;
    findNextRowIndex(t: number, e: number, rows: any[]): any;
    insertRow(t: number, rows: any[]): void;
    markTableItem(t: number, e: number, rows: any[]): void;
}