+ extra_docs = "\n * This type represents a lock and MUST BE MANUALLY FREE'd!"
+ constructor_body = 'super(ptr, () => { throw new Error("Locks must be manually freed with free()"); });'
+ extra_body = f"""
+ /** Releases this lock */
+ public free() {{
+ bindings.{struct_name.replace("LDK","")}_free(this.ptr);
+ CommonBase.set_null_skip_free(this);
+ }}"""