import type { Alignment } from './alignment';
import type { Border } from './borders';
import type { Fill } from './fills';
import type { Font } from './fonts';
import { type Stylesheet } from './stylesheet';
export interface NamedStyle {
    readonly name: string;
    /** OOXML built-in id (0..N); absent for user-defined styles. */
    readonly builtinId?: number;
    readonly customBuiltin?: boolean;
    readonly hidden?: boolean;
    readonly iLevel?: number;
    readonly font?: Font;
    readonly fill?: Fill;
    readonly border?: Border;
    readonly alignment?: Alignment;
    readonly protection?: Protection;
    readonly numberFormat?: string;
}
import type { Protection } from './protection';
/**
 * NamedStyle as it sits inside the Stylesheet (an `<cellStyles>` entry).
 * Captures the resolved cellStyleXfs index so the writer can emit the
 * `<cellStyle xfId="…" name="…" builtinId="…"/>` element directly.
 */
export interface StylesheetNamedStyle {
    readonly name: string;
    readonly xfId: number;
    readonly builtinId?: number;
    readonly customBuiltin?: boolean;
    readonly hidden?: boolean;
    readonly iLevel?: number;
}
/**
 * Register a NamedStyle on the Stylesheet:
 *  1. add Font / Fill / Border / NumberFormat to their pools
 *  2. push a CellXf with apply* flags into cellStyleXfs
 *  3. append a {name, xfId, builtinId} entry into the workbook's
 *     namedStyles list (caller-managed; this function returns the
 *     xfId so callers can connect the dots)
 * Idempotent on (name): re-registering by the same name returns the
 * cached xfId.
 */
export declare function addNamedStyle(ss: Stylesheet, style: NamedStyle): number;
/** Curated subset of openpyxl's `styles` dict. Keys match the user-visible names. */
export declare const BUILTIN_NAMED_STYLES: Readonly<Record<string, NamedStyle>>;
/**
 * Register a built-in style with the supplied Stylesheet (idempotent).
 * Returns the cellStyleXfs index. Throws OpenXmlSchemaError when the
 * name is unknown.
 */
export declare function ensureBuiltinStyle(ss: Stylesheet, name: keyof typeof BUILTIN_NAMED_STYLES | string): number;