public com.google.storagetransfer.v1.proto.TransferTypes.AzureCredentialsOrBuilder
          getAzureCredentialsOrBuilder() {
        if (azureCredentialsBuilder_ != null) {
          return azureCredentialsBuilder_.getMessageOrBuilder();
        } else {
          return azureCredentials_ == null
              ? com.google.storagetransfer.v1.proto.TransferTypes.AzureCredentials
                  .getDefaultInstance()
              : azureCredentials_;
        }
      }
<pre>
Required. Input only. Credentials used to authenticate API requests to
Azure.

For information on our data retention policy for user credentials, see
[User credentials](/storage-transfer/docs/data-retention#user-credentials).
</pre>

<code>
.google.storagetransfer.v1.AzureCredentials azure_credentials = 2 [(.google.api.field_behavior) = REQUIRED, (.google.api.field_behavior) = INPUT_ONLY];
</code>
java-storage-transfer/proto-google-cloud-storage-transfer-v1/src/main/java/com/google/storagetransfer/v1/proto/TransferTypes.java