/**
 * A section of the Window.
 * Window Sections are used to group nearby cells.
 * This enables us to more quickly determine which cells to display in a given region of the Window.
 * Sections have a fixed size and contain 0 to many cells (tracked by their indices).
 */
interface CellMetadatumObj {
    _x: number;
    _y: number;
    _width: number;
    _height: number;
}
export default class Section {
    private height;
    private width;
    private x;
    private y;
    private _indexMap;
    private _indices;
    constructor({ _height, _width, _x, _y }: CellMetadatumObj);
    /** Add a cell to this section. */
    addCellIndex({ index }: {
        index: number;
    }): void;
    /** Get all cell indices that have been added to this section. */
    getCellIndices(): number[];
    /** Intended for debugger/test purposes only */
    toString(): string;
}
export {};