Fix loads of JSDoc type issues

src/structures/GuildMember.js

@@ -256,7 +256,7 @@ class GuildMember {
    * Checks whether the roles of the member allows them to perform specific actions, and lists any missing permissions.
    * @param {PermissionResolvable[]} permissions The permissions to check for
    * @param {boolean} [explicit=false] Whether to require the member to explicitly have the exact permissions
-   * @returns {array}
+   * @returns {PermissionResolvable[]}
    */
   missingPermissions(permissions, explicit = false) {
     return permissions.filter(p => !this.hasPermission(p, explicit));