The Java packages org.modeldriven.alf.syntax.statements and org.modeldriven.alf.syntax.statements.impl are not declared as exported packages in the org.modeldriven.alf.eclipse plugin. Those packages are needed for traversing the abstract syntax tree. Related packages like org.modeldriven.alf.syntax.expressions are already exported.
The Java packages org.modeldriven.alf.syntax.statements and org.modeldriven.alf.syntax.statements.impl are not declared as exported packages in the org.modeldriven.alf.eclipse plugin. Those packages are needed for traversing the abstract syntax tree. Related packages like org.modeldriven.alf.syntax.expressions are already exported.
The exported packages are listed in the file org.modeldriven.alf.eclipse/META-INF/MANIFEST.MF.