public static RegionAction.Builder getRegionActionBuilderWithRegion(
    final RegionAction.Builder regionActionBuilder, final byte[] regionName) {
    RegionSpecifier region = buildRegionSpecifier(RegionSpecifierType.REGION_NAME, regionName);
    regionActionBuilder.setRegion(region);
    return regionActionBuilder;
  }
Create a protocol buffer MutateRequest for a delete
@return a mutate request
hbase-client/src/main/java/org/apache/hadoop/hbase/shaded/protobuf/RequestConverter.java