chore: Inline some trivial private methods (#946)

src/core/Actions.ts

@@ -50,18 +50,6 @@ export default class Actions {
     this.session = session;
   }
 
-  /**
-   * Mimics the Axios API using Fetch's Response object.
-   * @param response - The response object.
-   */
-  async #wrap(response: Response): Promise<ApiResponse> {
-    return {
-      success: response.ok,
-      status_code: response.status,
-      data: JSON.parse(await response.text())
-    };
-  }
-
   /**
    * Makes calls to the playback tracking API.
    * @param url - The URL to call.
@@ -187,7 +175,12 @@ export default class Actions {
       return parsed_response;
     }
 
-    return this.#wrap(response);
+    // Mimics the Axios API using Fetch's Response object.
+    return {
+      success: response.ok,
+      status_code: response.status,
+      data: JSON.parse(await response.text())
+    };
   }
 
   #isBrowse(response: IParsedResponse): response is IBrowseResponse {

src/parser/helpers.ts

@@ -11,22 +11,13 @@ export class YTNode {
     this.type = (this.constructor as YTNodeConstructor).type;
   }
 
-  /**
-   * Check if the node is of the given type.
-   * @param type - The type to check
-   * @returns whether the node is of the given type
-   */
-  #is<T extends YTNode>(type: YTNodeConstructor<T>): this is T {
-    return this.type === type.type;
-  }
-
   /**
    * Check if the node is of the given type.
    * @param types - The type to check
    * @returns whether the node is of the given type
    */
   is<T extends YTNode, K extends YTNodeConstructor<T>[]>(...types: K): this is InstanceType<K[number]> {
-    return types.some((type) => this.#is(type));
+    return types.some((type) => this.type === type.type);
   }
 
   /**