Amazon
constructor(region: String? = null, apiKey: String? = null, accessKeyId: String? = null, secretAccessKey: String? = null, sessionToken: String? = null, credentialProvider: suspend () -> BedrockCredentials? = null, baseURL: String? = null, agentBaseURL: String? = null, headers: Map<String, String> = emptyMap(), generateId: () -> String = { ai.torad.aisdk.generateId() })