@NotNull
    public String getFQPrefix() {
      if (myCurrentPrefix != null) {
        return myCurrentPrefix;
      }
      if (myPrefixes.isEmpty()) {
        return "";
      }
      StringBuilder buf = new StringBuilder();
      for (Pair<String, InclusionKind> prefix : myPrefixes) {
        buf.append(prefix.getFirst());
      }
      return myCurrentPrefix = buf.toString();
    }
@NotNull
    public String getFQPrefix()