class OEmbed::Response

@response.field(:clone) #=> 'true'
# The following returns the value given by the Provider

@response.clone #=> ## The following calls the Object#clone method
For example, if the Provider returns a "clone" value of "true":

non-standard values that conflict with Ruby methods.
like Response#version, the field method is helpful if the Provider returns
The String value associated with this key. While you can use helper methods

def field(key)
  @fields[key.to_s].to_s
end