/**
 * Extract YAML content from LLM response
 * Handles markdown code blocks and pure YAML
 * Rejects plain text and scalar values
 */
export declare function extractYAML(response: string): string | null;
/**
 * Parse YAML string to object
 */
export declare function parseYAML<T = unknown>(yamlString: string): T;
/**
 * Extract and parse YAML from LLM response
 */
export declare function extractAndParseYAML<T = unknown>(response: string): T | null;
/**
 * Extract config-specific YAML (requires 'backup:' key)
 * More strict validation for Syncpoint config files
 */
export declare function extractConfigYAML(response: string): string | null;