public int getStringIndex() {
		return stringIndex & 0xffff;
	}
The value of the string_index item must be a valid index into the
constant_pool table. The constant_pool entry at that index must be a
CONSTANT_Utf8_info structure representing the sequence of Unicode
code points to which the String object is to be initialized.
@return a valid index into the constant_pool table
Ghidra/Processors/JVM/src/main/java/ghidra/javaclass/format/constantpool/ConstantPoolStringInfo.java