public Builder setSourceTerm(
          com.google.cloud.translate.v3.GlossaryTerm.Builder builderForValue) {
        if (sourceTermBuilder_ == null) {
          sourceTerm_ = builderForValue.build();
        } else {
          sourceTermBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000001;
        onChanged();
        return this;
      }
<pre>
The source term is the term that will get match in the text,
</pre>

<code>.google.cloud.translation.v3.GlossaryTerm source_term = 1;</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/GlossaryEntry.java