@_sh/strapi-plugin-ckeditor/dist/admin/src/styled.d.ts

Integrates CKEditor 5 into your Strapi project as a fully customizable custom field. (Community Edition)

import type { StrapiTheme } from '@strapi/design-system';
declare module 'styled-components' {
    interface DefaultTheme extends StrapiTheme {
    }
}