{Pos: stmt.Pos(), End: stmt.End(), NewText: []byte{}},
						}},
					},
				})
			}
		}
	})

	return nil, nil
}

// isMapIndex returns true if e is a map index expression.
func isMapIndex(info *types.Info, e ast.Expr) bool {
	if idx, ok := astutil.Unparen(e).(*ast.IndexExpr); ok {
		if typ := info.Types[idx.X].Type; typ != nil {
			_, ok := typ.Underlying().(*types.Map)