support jsonc $id $ref

[xtsemeta]

Is there an existing issue for this?

• I have searched the existing issues

Current Behavior

No response

Expected Behavior

**.jsonc
{
"$id":"path_to_class_or_any_unique_id_a",// id
"__className":"ClassA",
"id":"No.001",
"name":"JsonToDart"
}
{
"$id":"path_to_class_or_any_unique_id_b",// id
"__className":"ClassB",
"id":"No.002",
"name":"JsonToDart",
"key1":{"$ref":"path_to_class_or_any_unique_id_a"},
"key2":[{"$ref":"path_to_class_or_any_unique_id_a"}]
}

**.dart
class ClassA{
final String id;
final String name;

...
}

class ClassB{
final String id;
final String name;

final ClassA key1;
final List key2;
...
}

Steps To Reproduce

No response

Version

No response

Relevant JSON syntax

No response

Anything else?

No response