private Collection<XQueryFile> getFilesFromImportWithMatchingNamespacePrefix(XQueryFile file) { return file.getImportedFilesThatExist( new Condition<XQueryModuleImport>() { @Override public boolean value(XQueryModuleImport moduleImport) { String namespacePrefix = myElement.getVarName().getVarNamespace().getText(); return namespacePrefix.equals(moduleImport.getNamespaceName().getText()); } }); }