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: junction.rs
    path of file: ./repos/polkadot/xcm/src/v2
    
    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 is free software: you can redistribute it and/or mod
    
	fn try_from(value: NewJunction) -> Result<Self, Self::Error> {
		use NewJunction::*;
		Ok(match value {
			Parachain(id) => Self::Parachain(id),
			AccountId32 { network, id } => Self::AccountId32 { network: network.try_into()?, id },
			AccountIndex64 { network, index } =>
				Self::AccountIndex64 { network: network.try_into()?, index },
			AccountKey20 { network, key } =>
				Self::AccountKey20 { network: network.try_into()?, key },
			PalletInstance(index) => Self::PalletInstance(index),
			GeneralIndex(id) => Self::GeneralIndex(id),
			GeneralKey { length, data } => Self::GeneralKey(
				data[0..data.len().min(length as usize)]
					.to_vec()
					.try_into()
					.expect("key is bounded to 32 and so will never be out of bounds; qed"),
			),
			OnlyChild => Self::OnlyChild,
			Plurality { id, part } => Self::Plurality { id: id.into(), part: part.into() },
			_ => return Err(()),
		})
	}