private static BacNetObject createFile() {
        return b("File",
            p("Object_Identifier", "BACnetObjectIdentifier", c(R)),
            p("Object_Name", "CharacterString", c(R)),
            p("Object_Type", "BACnetObjectType", c(R)),
            p("Description", "CharacterString", c(O)),
            p("File_Type", "CharacterString", c(R)),
            p("File_Size", "Unsigned", c(R, 1)),
            p("Modification_Date", "BACnetDateTime", c(R)),
            p("Archive", "BOOLEAN", c(W)),
            p("Read_Only", "BOOLEAN", c(R)),
            p("File_Access_Method", "BACnetFileAccessMethod", c(R)),
            p("Record_Count", "Unsigned", c(O, 2)),
            p("Property_List", "BACnetARRAY[N] of BACnetPropertyIdentifier", c(R)),
            p("Tags", "BACnetARRAY[N] of BACnetNameValue", c(O)),
            p("Profile_Location", "CharacterString", c(O)),
            p("Profile_Name", "CharacterString", c(O))
        );
    }
a map which maps property to type variants
protocols/bacnetip/src/test/java/org/apache/plc4x/protocol/bacnetip/BACnetObjectsDefinitions.java