class Xcodeproj::Project::Object::PBXContainerItemProxy

xcodeproj to raise because ti can’t find the UUID.
as the container portal might not be initialized leading
@todo: This class needs some work to support targets across workspaces,
targets.
other objects should not increase the retain count of the
part of another project. This implies that the references to
creating proper relationships because the other objects might be
@note This class references the other objects by UUID instead of
it usage see the specs of that class.
This class is referenced by {PBXTargetDependency} for information about
project contained in the same workspace of the project document.
Apparently a proxy for another object which might belong another