public Builder setInputConfig(com.google.cloud.translate.v3.DatasetInputConfig value) {
      if (inputConfigBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        inputConfig_ = value;
      } else {
        inputConfigBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000002;
      onChanged();
      return this;
    }
<pre>
Required. The config for the input content.
</pre>

<code>
.google.cloud.translation.v3.DatasetInputConfig input_config = 2 [(.google.api.field_behavior) = REQUIRED];
</code>
java-translate/proto-google-cloud-translate-v3/src/main/java/com/google/cloud/translate/v3/ImportDataRequest.java