docs: protected void initSpecialArrays() {
          int len = getByteArray().length;
          // set up the "status code + SPACE + default reason phrase"
          this.bytesWithPhrase = new byte[len + 1 + this.myPhraseBytes.length];
          System.arraycopy(getByteArray(), 0, this.bytesWithPhrase, 0, len);
          this.bytesWithPhrase[len] = BNFHeaders.SPACE;
          System.arraycopy(this.myPhraseBytes, 0, this.bytesWithPhrase, len + 1, this.myPhraseBytes.length);
      }