class ObjectReaderImplOptionalLong
        extends ObjectReaderPrimitive {
    static final ObjectReaderImplOptionalLong INSTANCE = new ObjectReaderImplOptionalLong();

    public ObjectReaderImplOptionalLong() {
        super(OptionalLong.class);
    }

    @Override
    public Object readJSONBObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) {<FILL_FUNCTION_BODY>}

    @Override
    public Object readObject(JSONReader jsonReader, Type fieldType, Object fieldName, long features) {
        Long integer = jsonReader.readInt64();
        if (integer == null) {
            return OptionalLong.empty();
        }
        return OptionalLong.of(integer);
    }
}

        Long integer = jsonReader.readInt64();
        if (integer == null) {
            return OptionalLong.empty();
        }
        return OptionalLong.of(integer);
    
<methods>public void <init>(Class#RAW) ,public java.lang.Object createInstance(long) ,public Class#RAW getObjectClass() ,public abstract java.lang.Object readJSONBObject(com.alibaba.fastjson2.JSONReader, java.lang.reflect.Type, java.lang.Object, long) <variables>protected final non-sealed Class#RAW objectClass