fix: mark getCssModule and getCssDependency as public

Author: barak007

src/index.js

@@ -86,7 +86,7 @@ const registered = new WeakSet();
 
 class MiniCssExtractPlugin {
   /**
-   * @private
+   * @public
    * @param {Compiler["webpack"]} webpack
    * @returns {typeof CssModule}
    */
@@ -346,7 +346,7 @@ class MiniCssExtractPlugin {
   }
 
   /**
-   * @private
+   * @public
    * @param {Compiler["webpack"]} webpack
    * @returns {typeof CssDependency}
    */

types/index.d.ts

@@ -1,13 +1,13 @@
 export = MiniCssExtractPlugin;
 declare class MiniCssExtractPlugin {
   /**
-   * @private
+   * @public
    * @param {Compiler["webpack"]} webpack
    * @returns {typeof CssModule}
    */
   private static getCssModule;
   /**
-   * @private
+   * @public
    * @param {Compiler["webpack"]} webpack
    * @returns {typeof CssDependency}
    */