class Aws::ECSCredentials

def initialize_uri(options, credential_path, endpoint)
  if credential_path
    initialize_relative_uri(options, credential_path)
  # Use FULL_URI/endpoint only if RELATIVE_URI/path is not set
  elsif endpoint
    initialize_full_uri(endpoint)
  else
    raise ArgumentError,
          'Cannot instantiate an ECS Credential Provider '\
          'without a credential path or endpoint.'
  end
end