public int getLength() {
		return length & 0xffff;
	}
The value of the length item gives the number of bytes in the bytes array
(not the length of the resulting string). The strings in the CONSTANT_Utf8_info
structure are not null-terminated.
@return the number of bytes in the bytes array
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/constantpool/ConstantPoolUtf8Info.java