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: status.rs
    path of file: ./repos/polkadot/node/core/dispute-coordinator/src
    
    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 modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.

// Polkadot is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the
    
	fn now(&self) -> Timestamp {
		// `SystemTime` is notoriously non-monotonic, so our timers might not work
		// exactly as expected.
		//
		// Regardless, disputes are considered active based on an order of minutes,
		// so a few seconds of slippage in either direction shouldn't affect the
		// amount of work the node is doing significantly.
		match SystemTime::now().duration_since(UNIX_EPOCH) {
			Ok(d) => d.as_secs(),
			Err(e) => {
				gum::warn!(
					target: LOG_TARGET,
					err = ?e,
					"Current time is before unix epoch. Validation will not work correctly."
				);

				0
			},
		}
	}