Is there no org.apache.pulsar.client.impl.auth.AuthenticationBasic authentication method provided?

The code does not see the authentication method of org.apache.pulsar.client.impl.auth.AuthenticationBasic
code
case "":
return NewAuthDisabled(), nil

case "tls", "org.apache.pulsar.client.impl.auth.AuthenticationTls":
return NewAuthenticationTLSWithParams(m), nil

case "token", "org.apache.pulsar.client.impl.auth.AuthenticationToken":
return NewAuthenticationTokenWithParams(m)

case "athenz", "org.apache.pulsar.client.impl.auth.AuthenticationAthenz":
return NewAuthenticationAthenzWithParams(m)

case "oauth2", "org.apache.pulsar.client.impl.auth.oauth2.AuthenticationOAuth2":
return NewAuthenticationOAuth2WithParams(m)

default:
return nil, errors.New(fmt.Sprintf("invalid auth provider '%s'", name))
}