OptionaldoctorCheck?: JobPrerequisite<S>Checked by doctor only, once prerequisite is met (see jobDeclarationSchema).
Optionalflags?: SSee jobDeclarationSchema.
Optionalprerequisite?: JobPrerequisite<S>Checked before run; anything but true skips the run.
The job body.
A runnable declaration;
Sis its flag spec, which typesctx.flags.