> */ public function getAuthorProfiles(): array; /** * Get a single author profile. * * @return array|null */ public function getAuthorProfile(int $id): ?array; /** * Get all system prompts. * * @return array> */ public function getSystemPrompts(): array; /** * Get a single system prompt. * * @return array|null */ public function getSystemPrompt(int $id): ?array; /** * Get all output structures. * * @return array> */ public function getStructures(): array; /** * Get a single structure. * * @return array|null */ public function getStructure(int $id): ?array; }