/**
 * @typedef StretchStrategyCalcArgs
 * @property {number} viewportWidth The width of the viewport.
 */
/**
 * The base strategy stretching strategy to extend from.
 *
 * @private
 * @class StretchStrategy
 */
export declare class StretchStrategy {
    /**
     * The width of the viewport.
     *
     * @type {number}
     */
    viewportWidth: number;
    /**
     * The function to overwrite the column width.
     *
     * @type {function(number, number): number | undefined}
     */
    overwriteColumnWidthFn: (width: number, column: number) => number;
    /**
     * The map that stores the base column widths.
     *
     * @type {Map<number, number>}
     */
    baseWidths: Map<number, number>;
    /**
     * The map that stores the calculated, stretched column widths.
     *
     * @type {Map<number, number>}
     */
    stretchedWidths: Map<number, number>;
    /**
     * Initializes the stretch strategy with a function that overrides individual column widths during the stretch calculation.
     */
    constructor(overwriteColumnWidthFn: (width: number, column: number) => number);
    /**
     * Prepares the strategy for the calculation.
     *
     * @param {StretchStrategyCalcArgs} calcArgs The calculation arguments.
     */
    prepare({ viewportWidth }: {
        viewportWidth: number;
    }): void;
    /**
     * Sets the base widths of the columns with which the strategy will work with.
     *
     * @param {number} columnVisualIndex The visual index of the column.
     * @param {number} columnWidth The width of the column.
     */
    setColumnBaseWidth(columnVisualIndex: number, columnWidth: number): void;
    /**
     * Calculates the width of the column.
     */
    calculate(): void;
    /**
     * Gets the calculated stretched column widths.
     *
     * @returns {Array<number[]>}
     */
    getWidths(): [number, number][];
}