The account-global id when the string itself carries it: the id verbatim
for global and robot (a robot's single id IS its universal identity),
the embedded global id for e- project ids. Absent for plain project
ids (resolving those needs the project-users directory), sentinels, and
unknowns.
The account-global id when the string itself carries it: the id verbatim for
globalandrobot(a robot's single id IS its universal identity), the embedded global id fore-project ids. Absent for plainprojectids (resolving those needs the project-users directory), sentinels, and unknowns.