typedef grpc_call_credentials*(*grpc_sts_credentials_create_type)(const grpc_sts_credentials_options* options, void* reserved);
extern grpc_sts_credentials_create_type grpc_sts_credentials_create_import;
#define grpc_sts_credentials_create grpc_sts_credentials_create_import
-typedef grpc_call_credentials*(*grpc_metadata_credentials_create_from_plugin_type)(grpc_metadata_credentials_plugin plugin, void* reserved);
+typedef grpc_call_credentials*(*grpc_metadata_credentials_create_from_plugin_type)(grpc_metadata_credentials_plugin plugin, grpc_security_level min_security_level, void* reserved);
extern grpc_metadata_credentials_create_from_plugin_type grpc_metadata_credentials_create_from_plugin_import;
#define grpc_metadata_credentials_create_from_plugin grpc_metadata_credentials_create_from_plugin_import
typedef grpc_channel*(*grpc_secure_channel_create_type)(grpc_channel_credentials* creds, const char* target, const grpc_channel_args* args, void* reserved);
typedef int(*grpc_tls_credentials_options_set_cert_request_type_type)(grpc_tls_credentials_options* options, grpc_ssl_client_certificate_request_type type);
extern grpc_tls_credentials_options_set_cert_request_type_type grpc_tls_credentials_options_set_cert_request_type_import;
#define grpc_tls_credentials_options_set_cert_request_type grpc_tls_credentials_options_set_cert_request_type_import
+typedef int(*grpc_tls_credentials_options_set_server_verification_option_type)(grpc_tls_credentials_options* options, grpc_tls_server_verification_option server_verification_option);
+extern grpc_tls_credentials_options_set_server_verification_option_type grpc_tls_credentials_options_set_server_verification_option_import;
+#define grpc_tls_credentials_options_set_server_verification_option grpc_tls_credentials_options_set_server_verification_option_import
typedef int(*grpc_tls_credentials_options_set_key_materials_config_type)(grpc_tls_credentials_options* options, grpc_tls_key_materials_config* config);
extern grpc_tls_credentials_options_set_key_materials_config_type grpc_tls_credentials_options_set_key_materials_config_import;
#define grpc_tls_credentials_options_set_key_materials_config grpc_tls_credentials_options_set_key_materials_config_import