class RuboCop::Cop::Sorbet::EnforceSignatures::SigSignatureChecker

def clear_signature(scope)
  @last_sig_for_scope[scope] = nil
end

def initialize(processed_source)
  super(processed_source)
  @last_sig_for_scope = {}
end

def on_signature(node, scope)
  @last_sig_for_scope[scope] = node
end

def signature_node(scope)
  @last_sig_for_scope[scope]
end