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: flash.rs
    path of file: ./repos/tock/chips/stm32f4xx/src/chip_specific
    
    the code of the file until where you have to start completion: // Licensed under the Apache License, Version 2.0 or the MIT License.
// SPDX-License-Identifier: Apache-2.0 OR MIT
// Copyright OxidOS Automotive SRL.
//
// Author: Ioan-Cristian CÃŽRSTEA <ioan.cirstea@oxidos.io>

//! Chip-specific flash code

use core::fmt::Debug;

pub trait FlashChipSpecific {
    type FlashLatency: RegisterToFlashLatency + Clone + Copy + PartialEq + Debug + Into<u32>;

    // The number of wait cycles depends on two factors: system clock frequency and the supply
    // voltage. Currently, this method assumes 2.7-3.6V voltage supply (default value).
    
    
    fn convert_register_to_enum(flash_latency_register: u32) -> Self {
        match flash_latency_register {
            0 => Self::Latency0,
            1 => Self::Latency1,
            2 => Self::Latency2,
            3 => Self::Latency3,
            4 => Self::Latency4,
            5 => Self::Latency5,
            6 => Self::Latency6,
            7 => Self::Latency7,
            8 => Self::Latency8,
            9 => Self::Latency9,
            10 => Self::Latency10,
            11 => Self::Latency11,
            12 => Self::Latency12,
            13 => Self::Latency13,
            14 => Self::Latency14,
            // The hardware supports 4-bit flash latency
            _ => Self::Latency15,
        }
    }