import type { WalkontableInstance } from '../types';
import type Selection from './selection';
/**
 * Selection scanner module scans the rendered cells and headers and if it finds an intersection with
 * the coordinates of the Selection class (highlight) it returns the DOM elements.
 *
 * @private
 */
export declare class SelectionScanner {
    #private;
    /**
     * Sets the Walkontable instance that will be taking into account while scanning the table.
     *
     * @param {Walkontable} activeOverlaysWot The Walkontable instance.
     * @returns {SelectionScanner}
     */
    setActiveOverlay(activeOverlaysWot: WalkontableInstance | null): this;
    /**
     * Sets the Selection instance to process.
     *
     * @param {Selection} selection The Selection instance.
     * @returns {SelectionScanner}
     */
    setActiveSelection(selection: Selection | null): this;
    /**
     * Scans the rendered table with selection and returns elements that intersects
     * with selection coordinates.
     *
     * @returns {HTMLTableElement[]}
     */
    scan(): Set<unknown>;
    /**
     * Scans the table (only rendered headers) and collect all column headers (TH) that match
     * the coordinates passed in the Selection instance.
     *
     * @param {function(HTMLTableElement): void} callback The callback function to trigger.
     */
    scanColumnsInHeadersRange(callback: (element: HTMLElement) => void): void;
    /**
     * Scans the table (only rendered headers) and collect all row headers (TH) that match
     * the coordinates passed in the Selection instance.
     *
     * @param {function(HTMLTableElement): void} callback The callback function to trigger.
     */
    scanRowsInHeadersRange(callback: (element: HTMLElement) => void): void;
    /**
     * Scans the table (only rendered cells) and collect all cells (TR) that match
     * the coordinates passed in the Selection instance.
     *
     * @param {function(HTMLTableElement): void} callback The callback function to trigger.
     */
    scanCellsRange(callback: (element: HTMLElement) => void): void;
    /**
     * Scans the table (only rendered cells) and collects all cells (TR) that match the coordinates
     * passed in the Selection instance but only for the X axis (rows).
     *
     * @param {function(HTMLTableElement): void} callback The callback function to trigger.
     */
    scanRowsInCellsRange(callback: (element: HTMLElement) => void): void;
    /**
     * Scans the table (only rendered cells) and collects all cells (TR) that match the coordinates
     * passed in the Selection instance but only for the Y axis (columns).
     *
     * @param {function(HTMLTableElement): void} callback The callback function to trigger.
     */
    scanColumnsInCellsRange(callback: (element: HTMLElement) => void): void;
}