final Optional<DataSchemaContextNode<?>> rootContextNode = contextTree.findChild(rootPath);
checkArgument(rootContextNode.isPresent(), "Failed to find root %s in schema context", rootPath);
- final DataSchemaNode rootSchemaNode = rootContextNode.get().getDataSchemaNode();
+ final DataSchemaNode rootSchemaNode = rootContextNode.orElseThrow().getDataSchemaNode();
checkArgument(rootSchemaNode instanceof DataNodeContainer, "Root %s resolves to non-container type %s",
rootPath, rootSchemaNode);
return rootSchemaNode;