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: path.rs
    path of file: ./repos/deno/ext/node
    
    the code of the file until where you have to start completion: // Copyright 2018-2024 the Deno authors. All rights reserved. MIT license.

use std::path::Component;
use std::path::Path;
use std::path::PathBuf;

use deno_core::ModuleSpecifier;

/// Extension to path_clean::PathClean
pub trait PathClean<T> {
  fn clean(&self) -> T;
}

impl PathClean<PathBuf> for PathBuf {
  fn clean(&self) -> PathBuf {
    let path = path_clean::PathClean::clean(self);
    if cfg!(windows) && path.to_string_lossy().contains("..\\") {
      // temporary workaround because path_clean::PathClean::clean is
      // not good enough on windows
      let mut components = Vec::ne
    
  fn clean(&self) -> PathBuf {
    let path = path_clean::PathClean::clean(self);
    if cfg!(windows) && path.to_string_lossy().contains("..\\") {
      // temporary workaround because path_clean::PathClean::clean is
      // not good enough on windows
      let mut components = Vec::new();

      for component in path.components() {
        match component {
          Component::CurDir => {
            // skip
          }
          Component::ParentDir => {
            let maybe_last_component = components.pop();
            if !matches!(maybe_last_component, Some(Component::Normal(_))) {
              panic!("Error normalizing: {}", path.display());
            }
          }
          Component::Normal(_) | Component::RootDir | Component::Prefix(_) => {
            components.push(component);
          }
        }
      }
      components.into_iter().collect::<PathBuf>()
    } else {
      path
    }
  }