import type { Dimension, ResolvedBodyTextConfig, ResolvedTocConfig, TocConfig, TocGroupHead } from '../types.js';
/** Static defaults of the `toc` section. Typography inherits the body text
 *  at resolve time; the part row height defaults to `2em` of the body size
 *  (EF-119), not two body lines. */
export declare const DEFAULT_TOC_CONFIG: {
    levels: number[];
    leader: {
        enabled: boolean;
        char: string;
        gap: Dimension;
    };
    pageNumber: {
        width: Dimension;
    };
    subtitle: {
        enabled: boolean;
        attr: string;
    };
    parts: {
        enabled: boolean;
        breakBefore: boolean;
    };
    groups: {
        keepTogether: boolean;
        head: TocGroupHead;
        minEntriesAfterHead: number;
        continuation: {
            enabled: boolean;
        };
    };
};
/** A `toc.groups.head` value as written (`'part'`, `1`…`6`, or the same as
 *  a string: a directive's `keep="2"`), else undefined. */
export declare function parseTocGroupHead(value: unknown): TocGroupHead | undefined;
/** The default continuation mark of a contents block in `locale`: the
 *  continued-table suffix of that language ("(cont.)", "(suite)",
 *  "（续）"…). */
export declare function defaultTocContinuationMark(locale?: string): string;
export declare function resolveTocConfig(partial: TocConfig | undefined, bodyText: ResolvedBodyTextConfig, locale?: string): ResolvedTocConfig;
/** Drop unset fields and the static defaults. Inherited typography is kept
 *  whenever set. Returns `undefined` when nothing remains. */
export declare function stripTocDefaults(toc: TocConfig | undefined): TocConfig | undefined;
//# sourceMappingURL=toc.d.ts.map