class Google::Cloud::Storage::Service

def delete_hmac_key access_id, project_id: nil, user_project: nil,

Deletes an HMAC key. Key must be in the INACTIVE state.
# 
def delete_hmac_key access_id, project_id: nil, user_project: nil,
                    options: {}
  execute do
    service.delete_project_hmac_key \
      (project_id || @project), access_id,
      user_project: user_project(user_project),
      options: options
  end
end