jodd-proxetta/src/main/java/jodd/asm7/ClassReader.java
public String readUTF8(final int offset, final char[] charBuffer) {
    int constantPoolEntryIndex = readUnsignedShort(offset);
    if (offset == 0 || constantPoolEntryIndex == 0) {
      return null;
    }
    return readUtf(constantPoolEntryIndex, charBuffer);
  }
public String readUTF8(final int offset, final char[] charBuffer) {
    int constantPoolEntryIndex = readUnsignedShort(offset);
    if (offset == 0 || constantPoolEntryIndex == 0) {
      return null;
    }
    return readUtf(constantPoolEntryIndex, charBuffer);
  }
DontCheck(AbbreviationAsWordInName): can't be renamed (for backward binary compatibility).