public Builder clearCredentialsType() {
      credentialsTypeCase_ = 0;
      credentialsType_ = null;
      onChanged();
      return this;
    }
<pre>
AwsSourceDetails message describes a specific source details for the
AWS source type.
</pre>

Protobuf type {@code google.cloud.vmmigration.v1.AwsSourceDetails}
java-vmmigration/proto-google-cloud-vmmigration-v1/src/main/java/com/google/cloud/vmmigration/v1/AwsSourceDetails.java