For our models the booleans are defined as "true" and "false", this means we have to lower case the obtained types before we dump the models, see: https://github.com/ipa320/ros_model_parser/blob/master/src/ros_metamodels/rossystem_metamodel_core.py#L115-L116
We are considering this when we set the value for Structs https://github.com/ipa320/ros_model_parser/blob/master/src/ros_metamodels/rossystem_metamodel_core.py#L139-L140 but now for lists: