pub unsafe extern "C" fn UA_Server_addDataSourceVariableNode(
server: *mut UA_Server,
requestedNewNodeId: UA_NodeId,
parentNodeId: UA_NodeId,
referenceTypeId: UA_NodeId,
browseName: UA_QualifiedName,
typeDefinition: UA_NodeId,
attr: UA_VariableAttributes,
dataSource: UA_DataSource,
nodeContext: *mut c_void,
outNewNodeId: *mut UA_NodeId,
) -> UA_StatusCode