GRPC_IMPORT_ERROR_STR = (
    "Distributed runtime features require additional dependencies. Install them with: pip install autogen-core[grpc]"
)

DATA_CONTENT_TYPE_ATTR = "datacontenttype"
DATA_SCHEMA_ATTR = "dataschema"
AGENT_SENDER_TYPE_ATTR = "agagentsendertype"
AGENT_SENDER_KEY_ATTR = "agagentsenderkey"
MESSAGE_KIND_ATTR = "agmsgkind"
MESSAGE_KIND_VALUE_PUBLISH = "publish"
MESSAGE_KIND_VALUE_RPC_REQUEST = "rpc_request"
MESSAGE_KIND_VALUE_RPC_RESPONSE = "rpc_response"
MESSAGE_KIND_VALUE_RPC_ERROR = "error"