class AstNode extends @ruby_ast_node {
  string toString() { none() }
}

from AstNode ruby_method, int index, AstNode child
where
  exists(AstNode body |
    ruby_method_body(ruby_method, body) and ruby_body_statement_child(body, index, child)
  )
  or
  ruby_method_body(ruby_method, child) and
  not child instanceof @ruby_body_statement and
  index = 0
select ruby_method, index, child