You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: pallet_xcm_benchmarks_generic.rs
    path of file: ./repos/polkadot/runtime/polkadot/src/weights/xcm
    
    the code of the file until where you have to start completion: // Copyright (C) Parity Technologies (UK) Ltd.
// This file is part of Polkadot.

// Polkadot 
    
	pub fn report_holding() -> Weight {
		// Proof Size summary in bytes:
		//  Measured:  `514`
		//  Estimated: `17934`
		// Minimum execution time: 33_813_000 picoseconds.
		Weight::from_parts(34_357_000, 17934)
			.saturating_add(T::DbWeight::get().reads(6))
			.saturating_add(T::DbWeight::get().writes(3))
	}