public static boolean isCodeReference(final ReferenceType referenceType) {
    return !isDataReference(referenceType);
  }
Indicates whether a reference is a code reference.

@param referenceType The reference type.
@return true if the reference is a code reference false otherwise.
java/zylib/src/main/java/com/google/security/zynamics/zylib/disassembly/ReferenceType.java