/**
 * Two-cell anchor for a chart or image, in OOXML `xdr:twoCellAnchor` coordinates.
 *
 * All row/column indices are **0-based** (column A = 0, row 1 = 0), matching the
 * underlying `<xdr:col>` / `<xdr:row>` elements. The anchor's bottom-right corner
 * is the top-left of the cell at `(to_column, to_row)` plus any EMU offsets, so
 * to span columns A..=E inclusive use `from_column: 0, to_column: 5`.
 */
export type ChartAnchor = {
    /**
     * 0-based column index of the top-left anchor cell (A = 0).
     */
    fromColumn: number;
    /**
     * 0-based row index of the top-left anchor cell (row 1 = 0).
     */
    fromRow: number;
    /**
     * 0-based column index of the bottom-right anchor cell (exclusive of any offset).
     */
    toColumn: number;
    /**
     * 0-based row index of the bottom-right anchor cell (exclusive of any offset).
     */
    toRow: number;
    fromColumnOffsetEmu?: bigint;
    fromRowOffsetEmu?: bigint;
    toColumnOffsetEmu?: bigint;
    toRowOffsetEmu?: bigint;
};