code: public static LightweightTypeReference toLightweightTypeReference(
  			JvmTypeReference typeRef, CommonTypeComputationServices services) {
  		return toLightweightTypeReference(typeRef, services, false);
  	}
docs: Convert a type reference to a lightweight type reference.
  
  @param typeRef - reference to convert.
  @param services - services used for the conversion
  @return the lightweight type reference.