make sure base doesn't accidently have an ffjson impl
make sure base doesn't accidently have an ffjson impl

sunminghong/ffjson,cw2018/ffjson,trigrass2/ffjson,jamesliu96/ffjson,cmeon/ffjson,xladykiller/ffjson,trigrass2/ffjson,cw2018/ffjson,xiuzhifu/ffjson,sunminghong/ffjson,xladykiller/ffjson,xyliuke/ffjson,xiuzhifu/ffjson,pquerna/ffjson,xyliuke/ffjson,cmeon/ffjson,jamesliu96/ffjson,pquerna/ffjson