import type { Alignment } from './alignment';
import type { Border } from './borders';
import type { Fill } from './fills';
import type { Font } from './fonts';
import type { Protection } from './protection';
/**
 * One entry in the cellXfs / cellStyleXfs pool. Represents the union of
 * indexes-into-other-pools that a cell or named style points at.
 *
 * Mirrors openpyxl's CellStyle (styles/cell_style.py). The TS port keeps it as
 * a plain readonly object — no class, no methods. The Stylesheet `addCellXf`
 * allocates the index; cells store only that.
 */
export interface CellXf {
    readonly fontId: number;
    readonly fillId: number;
    readonly borderId: number;
    readonly numFmtId: number;
    /** Index into cellStyleXfs — only set for direct-cell xfs that point at a NamedStyle. */
    readonly xfId?: number;
    readonly alignment?: Alignment;
    readonly protection?: Protection;
    readonly applyFont?: boolean;
    readonly applyFill?: boolean;
    readonly applyBorder?: boolean;
    readonly applyNumberFormat?: boolean;
    readonly applyAlignment?: boolean;
    readonly applyProtection?: boolean;
    readonly pivotButton?: boolean;
    readonly quotePrefix?: boolean;
}
export interface Stylesheet {
    fonts: Font[];
    fills: Fill[];
    borders: Border[];
    /** numFmtId → format code (custom IDs only; built-ins implicit). */
    numFmts: Map<number, string>;
    cellXfs: CellXf[];
    cellStyleXfs: CellXf[];
    /** Named styles (Excel's "Cell Styles" gallery; populated by addNamedStyle). */
    namedStyles?: Array<import('./named-styles').StylesheetNamedStyle>;
    _fontIdByKey: Map<string, number>;
    _fillIdByKey: Map<string, number>;
    _borderIdByKey: Map<string, number>;
    _xfIdByKey: Map<string, number>;
    _styleXfIdByKey: Map<string, number>;
    _numFmtIdByCode: Map<string, number>;
    _namedStyleByName?: Map<string, import('./named-styles').StylesheetNamedStyle>;
}
/**
 * Build a fresh Stylesheet pre-populated with Excel's required default entries.
 * Mirrors openpyxl's empty Stylesheet: fonts: [DEFAULT_FONT] (index 0) fills:
 * [DEFAULT_EMPTY_FILL,
 *             DEFAULT_GRAY_FILL]          (indices 0, 1 — required)
 * borders: [DEFAULT_BORDER] (index 0) cellXfs: empty (indices allocated on
 * demand)
 */
export declare function makeStylesheet(): Stylesheet;
/** Add a Font to the pool, returning its 0-based index. Idempotent. */
export declare function addFont(ss: Stylesheet, font: Font): number;
/** Add a Fill to the pool, returning its 0-based index. Idempotent. */
export declare function addFill(ss: Stylesheet, fill: Fill): number;
/** Add a Border to the pool, returning its 0-based index. Idempotent. */
export declare function addBorder(ss: Stylesheet, border: Border): number;
/**
 * Resolve a number-format string to its numFmtId.
 * - Built-in codes return their canonical OOXML ID.
 * - Otherwise the custom code is registered (and allocated an ID
 * ≥ {@link BUILTIN_FORMATS_MAX_SIZE}). Idempotent.
 */
export declare function addNumFmt(ss: Stylesheet, formatCode: string): number;
/** Add a CellXf to the cellXfs pool, returning its 0-based index. Idempotent. */
export declare function addCellXf(ss: Stylesheet, xf: CellXf): number;
/** Add a CellXf to the cellStyleXfs pool. Idempotent. */
export declare function addCellStyleXf(ss: Stylesheet, xf: CellXf): number;
/** Returns the currently registered numFmt entries (built-ins are implicit and not included). */
export declare function getCustomNumFmts(ss: Stylesheet): ReadonlyArray<{
    id: number;
    code: string;
}>;
/** Read-only snapshot of every Font entry in the pool, indexed by id. */
export declare function listFonts(ss: Stylesheet): ReadonlyArray<Font>;
/** Read-only snapshot of every Fill entry in the pool, indexed by id. */
export declare function listFills(ss: Stylesheet): ReadonlyArray<Fill>;
/** Read-only snapshot of every Border entry in the pool, indexed by id. */
export declare function listBorders(ss: Stylesheet): ReadonlyArray<Border>;
/** Read-only snapshot of every CellXf entry in the cellXfs pool. */
export declare function listCellXfs(ss: Stylesheet): ReadonlyArray<CellXf>;
/** Read-only snapshot of every CellStyleXf entry (named-style xfs). */
export declare function listCellStyleXfs(ss: Stylesheet): ReadonlyArray<CellXf>;
/**
 * Convenience: build the default `cellXfs[0]` Excel emits — points at the
 * workbook's font 0 / fill 0 / border 0 / numFmtId 0 (General).
 */
export declare function defaultCellXf(): CellXf;