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: lib.rs
    path of file: ./repos/wasmtime/crates/fuzzing/src
    
    the code of the file until where you have to start completion: //! Fuzzing infrastructure for Wasmtime.

#![deny(missing_docs)]

pub use wasm_mutate;
pub use wasm_smith;
pub mod generators;
pub mod mutators;
pub mod oracles;
pub mod single_module_fuzzer;

/// 
    
pub fn init_fuzzing() {
    static INIT: std::sync::Once = std::sync::Once::new();

    INIT.call_once(|| {
        let _ = env_logger::try_init();

        let _ = rayon::ThreadPoolBuilder::new()
            .num_threads(1)
            .build_global();
    })
}