headerBuilder.setMethodName("foo");
GetRequest.Builder getRequestBuilder = GetRequest.newBuilder();
RegionSpecifier.Builder regionSpecifierBuilder = RegionSpecifier.newBuilder();
regionSpecifierBuilder.setType(RegionSpecifierType.REGION_NAME);
ByteString name = ByteString.copyFrom(HRegionInfo.FIRST_META_REGIONINFO.getRegionName());
regionSpecifierBuilder.setValue(name);
RegionSpecifier regionSpecifier = regionSpecifierBuilder.build();
getRequestBuilder.setRegion(regionSpecifier);
Get.Builder getBuilder = Get.newBuilder();
getBuilder.setRow(ByteString.copyFrom("somerow".getBytes()));