def specification_path(name, version)
      raise ArgumentError, 'No name' unless name
      raise ArgumentError, 'No version' unless version
      
      relative_podspec = pod_path_partial(name).join("#{version}/#{name}.podspec.json")
      download_file(relative_podspec)
      pod_path(name).join("#{version}/#{name}.podspec.json")
    end
def specification_path(name, version)
      raise ArgumentError, 'No name' unless name
      raise ArgumentError, 'No version' unless version
      
      relative_podspec = pod_path_partial(name).join("#{version}/#{name}.podspec.json")
      download_file(relative_podspec)
      pod_path(name).join("#{version}/#{name}.podspec.json")
    end
Returns the path of the specification with the given name and version.

 @param  [String] name
         the name of the Pod.

 @param  [Version,String] version
         the version for the specification.

 @return [Pathname] The path of the specification.