/**
 * Where an application keeps the documentation this foundation ingests.
 *
 * `path` unset is the library default: the feature loads, mounts its routes and
 * does nothing. `sync` refuses rather than guessing a directory, which is what
 * keeps a deployed image — which ships no docs/ tree — inert.
 */
export interface HandbookModuleConfig {
    /** Absolute, or relative to process.cwd(). */
    path?: string;
    /** Glob patterns, relative to `path`, excluded from the walk. e.g. ["it/**"] */
    exclude?: string[];
    /**
     * Subdirectory of `path` holding the display translation, e.g. "it". Unset =
     * English everywhere.
     *
     * The translation is SHOWN, never INDEXED: the tree it names must also be
     * `exclude`d, so the English walk skips it, and the display pass writes only
     * `displayTitle` / `displaySummary` / `displayContent` onto pages the English
     * walk already created. Nothing in it is chunked, embedded or retrievable.
     */
    displayPath?: string;
}
export declare const HANDBOOK_CONFIG: unique symbol;
export declare const DEFAULT_HANDBOOK_CONFIG: Required<HandbookModuleConfig>;
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