import type Table from '../../table';
/**
 * Mixin for the subclasses of `Table` with implementations of
 * helper methods that are related to columns.
 * This mixin is meant to be applied in the subclasses of `Table`
 * that use virtual rendering in the horizontal axis.
 *
 * @type {object}
 */
declare const calculatedColumns: {
    /**
     * Get the source index of the first rendered column. If no columns are rendered, returns an error code: -1.
     *
     * @returns {number}
     * @this Table
     */
    getFirstRenderedColumn(this: Table): number;
    /**
     * Get the source index of the first column fully visible in the viewport. If no columns are fully visible, returns an error code: -1.
     *
     * @returns {number}
     * @this Table
     */
    getFirstVisibleColumn(this: Table): number;
    /**
     * Get the source index of the first column partially visible in the viewport. If no columns are partially visible, returns an error code: -1.
     *
     * @returns {number}
     * @this Table
     */
    getFirstPartiallyVisibleColumn(this: Table): number;
    /**
     * Get the source index of the last rendered column. If no columns are rendered, returns an error code: -1.
     *
     * @returns {number}
     * @this Table
     */
    getLastRenderedColumn(this: Table): number;
    /**
     * Get the source index of the last column fully visible in the viewport. If no columns are fully visible, returns an error code: -1.
     *
     * @returns {number}
     * @this Table
     */
    getLastVisibleColumn(this: Table): number;
    /**
     * Get the source index of the last column partially visible in the viewport. If no columns are partially visible, returns an error code: -1.
     *
     * @returns {number}
     * @this Table
     */
    getLastPartiallyVisibleColumn(this: Table): number;
    /**
     * Get the number of rendered columns.
     *
     * @returns {number}
     * @this Table
     */
    getRenderedColumnsCount(this: Table): number;
    /**
     * Get the number of fully visible columns in the viewport.
     *
     * @returns {number}
     * @this Table
     */
    getVisibleColumnsCount(this: Table): number;
    /**
     * Get the number of rendered row headers.
     *
     * @returns {number}
     * @this Table
     */
    getRowHeadersCount(this: Table): number;
};
export default calculatedColumns;