/**
 * Render initial document content appropriate to the file extension.
 *
 * @param ext - File extension (e.g., ".md", ".json").
 * @param title - Document title.
 * @param metadata - Optional key-value metadata for frontmatter or top-level keys.
 * @returns Format-appropriate content string.
 */
export declare function renderInitialContent(ext: string, title: string, metadata?: Record<string, unknown>): string;
/**
 * Validate that content matches the expected format.
 *
 * @param ext - File extension (e.g., ".md", ".json").
 * @param content - Content to validate.
 * @returns True if content is valid for the format.
 */
export declare function validateContentFormat(ext: string, content: string): boolean;
//# sourceMappingURL=format.d.ts.map