/**
 * All possible types for element-book entries.
 *
 * @category Internal
 */
export declare enum BookEntryType {
    /** A single element example. */
    ElementExample = "element-example",
    /** An individual book page with element examples and/or sub-pages. */
    Page = "page",
    /** Tree root. Not for external use. */
    Root = "root"
}
/**
 * A union of all possible element-book entry types.
 *
 * @category Internal
 */
export type AnyBookEntryType = BookEntryType.ElementExample | BookEntryType.Page | BookEntryType.Root;