message: Make areEquivalent() support return statements
diff: @@ -305,6 +305,11 @@ function areEquivalent(nodeA: t.Node | null, nodeB: t.Node | null): boolean {
  return nodeA.typeAnnotation.type === nodeB.typeAnnotation.type;
  }
  + // Return statements
  + if (t.isReturnStatement(nodeA) && t.isReturnStatement(nodeB)) {
  + return areEquivalent(nodeA.argument, nodeB.argument);
  + }
  +
  // Primitive values
  return "value" in nodeA && "value" in nodeB && nodeA.value === nodeB.value;
  }
  