class Jbuilder

def initialize(
  key_formatter: @@key_formatter,
  ignore_nil: @@ignore_nil,
  deep_format_keys: @@deep_format_keys,
  &block
)
  @attributes = {}
  @key_formatter = key_formatter
  @ignore_nil = ignore_nil
  @deep_format_keys = deep_format_keys
  yield self if block
end