Telecoms.Where(guard=>guard.UseConcept.Mnemonic == WorkPlace).Any()
Telecoms.Where(guard=>guard.TypeConcept.Mnemonic == "EMAIL" && guard.UseConcept.Mnemonic == "WorkPlace").Any(v=>v.Value == "[email protected]")
HL7.Fhir.FhirPath
assembly into a .NET expression tree. This expression tree should then be passed to the persistence layer to be transformed into SQL, where indexing can be performed.