CompatibilityLevel type 
Defines values for CompatibilityLevel. 
KnownCompatibilityLevel can be used interchangeably with CompatibilityLevel,
this enum contains the known values that the service supports.
Known values supported by the service
Unknown 
CompatLevel80 
CompatLevel90 
CompatLevel100 
CompatLevel110 
CompatLevel120 
CompatLevel130 
CompatLevel140 
CompatLevel150
type CompatibilityLevel = string