/**
 * Validates that an identifier contains only allowed characters.
 * Allowed characters: lowercase letters (a-z), numbers (0-9), hyphens (-), and underscores (_)
 *
 * @param id - The identifier to validate
 * @returns The validated identifier
 * @throws Error if identifier contains invalid characters
 */
export declare function validateIdentifier(id: string): string;
/**
 * Validates that a string is a UUID v7.
 *
 * @param id - The string to validate
 * @throws Error if the string is not a valid UUID v7
 */
export declare function validateUuidV7(id: string): void;
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