public final int getNumber() {
    if (this == UNRECOGNIZED) {
      throw new java.lang.IllegalArgumentException(
          "Can't get the number of an unknown enum value.");
    }
    return value;
  }
<pre>
Doctoral or equivalent; Programmes designed primarily to lead to an
advanced research qualification, usually concluding with the submission
and defense of a substantive dissertation of publishable quality based on
original research. ISCED code 8.
</pre>

<code>DOCTORAL_OR_EQUIVALENT = 8;</code>
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/DegreeType.java