List<? extends VariableTree> args = node.getParameters();
List<? extends TypeParameterTree> argTypes = node.getTypeParameters();
int n = args.size();
arguments = new MethodArgument[n];
for (int i = 0; i < n; i++) {
VariableTree var = args.get(i);
long startOffset = positions.getStartPosition(tree, var);
long endOffset = positions.getEndPosition(tree, var);
arguments[i] = new MethodArgument(var.getName().toString(),
var.getType().toString(),
positionDelegate.createPosition(
(int) startOffset,
(int) lineMap.getLineNumber(startOffset),
(int) lineMap.getColumnNumber(startOffset)),
positionDelegate.createPosition(