@java.lang.Override
    public java.lang.String getContent() {
      java.lang.Object ref = "";
      if (sourceCase_ == 1) {
        ref = source_;
      }
      if (!(ref instanceof java.lang.String)) {
        com.google.protobuf.ByteString bs = (com.google.protobuf.ByteString) ref;
        java.lang.String s = bs.toStringUtf8();
        if (sourceCase_ == 1) {
          source_ = s;
        }
        return s;
      } else {
        return (java.lang.String) ref;
      }
    }
<pre>
The content of the input stored as a string.
</pre>

<code>string content = 1;</code>

@return The content.
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/DetectLanguageRequest.java