/**
 * @ignore
 * @module
 */
/**
 * Replace <a id="..."></a> with <a name="..."></a> in a Markdown content string.
 * @param content - The Markdown content string to process.
 * @returns The updated Markdown content string with <a id="..."></a> replaced by <a name="..."></a>.
 */
export declare function replaceAnchorIdWithName(content: string): string;
/**
 * Replace <a name="..."></a> with <a id="..."></a> in a Markdown content string.
 * @param content - The Markdown content string to process.
 * @returns The updated Markdown content string with <a name="..."></a> replaced by <a id="..."></a>.
 */
export declare function replaceAnchorNameWithId(content: string): string;
/**
 * For every Markdown file under a directory (recursively), replace <a id="..."></a> with <a name="..."></a>.
 * @param dir - The directory to recursively process Markdown files in.
 */
export declare function replaceAnchorIdWithNameInMdFiles(dir: string): void;
/**
 * If a directory has one and only one subdirectory, return its path; otherwise return undefined.
 * @param dir - The directory to check for a single subdirectory.
 * @returns The path to the single subdirectory, or undefined if there are zero or more than one subdirectories.
 */
export declare function getSingleSubdirectory(dir: string): string | undefined;
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