public Builder clearFormatConversions() {
      bitField0_ = (bitField0_ & ~0x00000080);
      internalGetMutableFormatConversions().getMutableMap().clear();
      return this;
    }
<pre>
Optional. File format conversion map to be applied to all input files.
Map's key is the original mime_type. Map's value is the target mime_type of
translated documents.

Supported file format conversion includes:
- `application/pdf` to
  `application/vnd.openxmlformats-officedocument.wordprocessingml.document`

If nothing specified, output files will be in the same format as the
original file.
</pre>

<code>
map&lt;string, string&gt; format_conversions = 8 [(.google.api.field_behavior) = OPTIONAL];
</code>
java-translate/proto-google-cloud-translate-v3beta1/src/main/java/com/google/cloud/translate/v3beta1/BatchTranslateDocumentRequest.java