} else {
md = new MultiDeclaration(pos, Collections.<Declaration>emptyList());
body.insertBefore(md, first);
}
MutableParseTreeNode.Mutation mut = md.createMutation();
Declaration firstDecl = md.children().get(0);
for (Declaration decl : decls) {
mut = mut.insertBefore(decl, firstDecl);
}
mut.execute();
}