declare class DataTableBuilder {
	private constructor();

	/**
	 * Adds a column to the data table. Columns will be added from 0 to n.
	 * 
	 * <p>The first column is often used by charts for labels (for instance, X-axis labels on line
	 * charts, or slice labels in pie charts). The other columns are often used for data and therefore
	 * often require numeric values.
	 * 
	 * @param type - type of data in the column (number, string, or date)
	 * @param label - label of the column (it's used for chart legends).
	 * 
	 * @returns this builder, for chaining.
	 */
	addColumn(
		type: ColumnType,
		label: string
	): DataTableBuilder
	/**
	 * Adds a row to the data table.
	 * 
	 * @param values - values for the row, specified in the same order that the columns are entered.
	 * 
	 * @returns this builder, for chaining.
	 */
	addRow(
		values: object[]
	): DataTableBuilder
	/**
	 * Builds and returns a data table.
	 * 
	 * @returns the data table
	 */
	build(): DataTable
	/**
	 * Sets a specific value in the table.
	 * 
	 * <p>You may set a value before adding the column to the data table. However, unless the column
	 * is added at some point, the value will be ignored.
	 * 
	 * <p>Not all column values need to be filled in. Those missing will be considered <code>null</code>.
	 * 
	 * @param row - the row index (the first row has index 0)
	 * @param column - the column index (the first column has index 0)
	 * @param value - the value of the table cell (should have the right type for the column).
	 * 
	 * @returns this builder, for chaining
	 */
	setValue(
		row: number,
		column: number,
		value: object
	): DataTableBuilder

}