Defined if perCallFlags is nonzero.
Format to a string such as: mymodule.d(655): [numAllocate:21, numAllocateOK:21, bytesAllocated:324202].
The file and line of the call.
The options corresponding to the statistics collected.
The values of the statistics. Has the same length as opts.
See Implementation
Defined if perCallFlags is nonzero.