import type { Cell } from '@fortune-sheet/core';
import { type XlsxGradientFill } from './work-xlsx-gradient-fill';
import { type XlsxPatternFill } from './work-xlsx-pattern-fill';
import type { XlsxSemanticColorOrigin } from './work-xlsx-cell-style-origin';
export declare const xlsxNativeFillCellKeys: readonly ["a3sXlsxPatternFill", "a3sXlsxGradientFill"];
export type XlsxNativeFillCellKey = (typeof xlsxNativeFillCellKeys)[number];
export type XlsxNativeFill = {
    kind: 'gradient';
    value: XlsxGradientFill;
} | {
    kind: 'pattern';
    value: XlsxPatternFill;
};
export declare function activeXlsxNativeFill(cell: Cell | null | undefined): XlsxNativeFill | undefined;
export declare function deleteXlsxNativeFills(cell: Cell): void;
export declare function xlsxNativeFillSemanticColors(fill: XlsxNativeFill | undefined): XlsxSemanticColorOrigin[];
export declare function xlsxNativeFillKey(fill: XlsxNativeFill | undefined): string;