Available on macro
@:value(cast 0)@:impl@:enuminlineread onlyCOPYFILE_EXCL:FileCopyFlag = 0
@:value(cast 1)@:impl@:enuminlineread onlyCOPYFILE_FICLONE:FileCopyFlag = 1
@:value(cast 2)@:impl@:enuminlineread onlyCOPYFILE_FICLONE_FORCE:FileCopyFlag = 2