org.eclipse.xtext.testlanguages Project org.eclipse.xtext.testlanguages created by Buildship. org.eclipse.xtext.ui.shared.xtextBuilder org.eclipse.jdt.core.javabuilder org.eclipse.buildship.core.gradleprojectbuilder org.eclipse.buildship.core.gradleprojectnature org.eclipse.jdt.core.javanature org.eclipse.xtext.ui.shared.xtextNature