@Override
public void traverse(DartVisitor v, DartContext ctx) {
if (v.visit(this, ctx)) {
key = becomeParentOf(v.accept(key));
value = becomeParentOf(v.accept(value));
}
v.endVisit(this, ctx);
}
@Override
public void traverse(DartVisitor v, DartContext ctx) {
v.visit(this, ctx);
v.endVisit(this, ctx);
}
