namedTypeSpecifier
Specifies a type by name. The name may be qualified with one or more namespace qualifiers separated by dots, followed by a type name.
Examples
Primitive system type
parameter "Age" Integer
FHIR-qualified type
define function "GetCondition"(c FHIR.Condition) returns FHIR.Condition: c
Multi-level qualified type
parameter "Value" System.Decimal
EBNF
namedTypeSpecifier : (qualifier '.')* referentialOrTypeNameIdentifier ;