public java.lang.String getSecretVersion() {
        java.lang.Object ref = secretVersion_;
        if (!(ref instanceof java.lang.String)) {
          com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
          java.lang.String s = bs.toStringUtf8();
          secretVersion_ = s;
          return s;
        } else {
          return (java.lang.String) ref;
        }
      }
<pre>
Required. The name of the Secret Version containing the encryption key in
the following format:
`projects/{project}/secrets/{secret_id}/versions/{version_number}`

Note that only numbered versions are supported. Aliases like "latest" are
not supported.
</pre>

<code>string secret_version = 1 [(.google.api.field_behavior) = REQUIRED];</code>

@return The secretVersion.
java-video-transcoder/proto-google-cloud-video-transcoder-v1/src/main/java/com/google/cloud/video/transcoder/v1/Encryption.java