import type { Cell } from '@fortune-sheet/core';
import { type SpreadsheetConditionalIconSetName } from '../work-spreadsheet-conditional-icons';
import type { WorkSpreadsheetSheet } from '../work-types';
import type { SpreadsheetCellRange } from './spreadsheet-cell-range';
export type SpreadsheetSortAppearanceKind = 'cell-color' | 'font-color' | 'icon';
export type SpreadsheetSortAppearancePosition = 'first' | 'last';
export interface SpreadsheetSortIconTarget {
    iconSet: SpreadsheetConditionalIconSetName;
    index: number;
}
export type SpreadsheetSortAppearanceTarget = {
    color: string | null;
    kind: 'cell-color';
} | {
    color: string | null;
    kind: 'font-color';
} | {
    icon: SpreadsheetSortIconTarget;
    kind: 'icon';
};
export interface SpreadsheetSortCellAppearance {
    /** Undefined means the cell has a native pattern or gradient without one color. */
    cellColor?: string | null;
    /** Null represents the automatic/default font color. */
    fontColor: string | null;
    icon: SpreadsheetSortIconTarget | null;
}
export type SpreadsheetSortAppearanceRows = readonly (readonly SpreadsheetSortCellAppearance[])[];
export interface SpreadsheetSortAppearanceField {
    cellColors: readonly (string | null)[];
    fontColors: readonly (string | null)[];
    icons: readonly SpreadsheetSortIconTarget[];
    index: number;
}
export declare function createSpreadsheetSortAppearanceRows(sheet: WorkSpreadsheetSheet, range: SpreadsheetCellRange, rows: readonly (readonly (Cell | null)[])[]): SpreadsheetSortAppearanceRows;
export declare function createSpreadsheetSortDirectAppearanceRows(rows: readonly (readonly (Cell | null)[])[]): SpreadsheetSortAppearanceRows;
export declare function spreadsheetSortAppearanceFields(rows: SpreadsheetSortAppearanceRows, range: SpreadsheetCellRange, orientation: 'top-to-bottom' | 'left-to-right', hasHeader: boolean): readonly SpreadsheetSortAppearanceField[];
export declare function normalizeSpreadsheetSortColor(value: unknown): string | null | undefined;
export declare function normalizeSpreadsheetSortIcon(value: unknown): SpreadsheetSortIconTarget | null;
export declare function spreadsheetSortAppearanceTargetValue(target: SpreadsheetSortAppearanceTarget): string;
export declare function parseSpreadsheetSortAppearanceTargetValue(value: string): SpreadsheetSortAppearanceTarget | null;
export declare function spreadsheetSortAppearanceTargetLabel(target: SpreadsheetSortAppearanceTarget): string;
export declare function spreadsheetSortAppearanceTargets(field: SpreadsheetSortAppearanceField | undefined, kind: SpreadsheetSortAppearanceKind): readonly SpreadsheetSortAppearanceTarget[];
export declare function spreadsheetSortAppearanceTargetsEqual(left: SpreadsheetSortAppearanceTarget, right: SpreadsheetSortAppearanceTarget): boolean;
export declare function spreadsheetSortCellMatchesAppearance(appearance: SpreadsheetSortCellAppearance | undefined, target: SpreadsheetSortAppearanceTarget): boolean;