public final ObjectWriter getObjectWriter(Class objectClass, String format) {
        boolean fieldBased = (context.features & FieldBased.mask) != 0;
        return context.provider.getObjectWriter(objectClass, objectClass, format, fieldBased);
    }
If ReferenceDetection has been set, returns the path of the current object, otherwise returns null
@since 2.0.51
@return the path of the current object
core/src/main/java/com/alibaba/fastjson2/JSONWriter.java