code: def check(cls, value, full_schema, path, expected_keys):
      if set(value.keys()) != set(expected_keys):
          raise SchemaKeysValidationError(
              value, full_schema, path, expected_keys
          )
  
imports: from dash.exceptions import InvalidCallbackReturnValue
  from ._utils import AttributeDict, stringify_id
label_desc: Use image node_id 2 for calling the SchemaKeysValidationError obj's underlying member method code with example usage: obj.check(cls, value, full_schema, path, expected_keys) without return types