@nuxtjs/module-test-utils

const get: GetRequest<any>;

build: (
    config: Configuration,
    options?: { waitFor?: number; beforeNuxtReady?: BeforeNuxtReadyFn }
) => Promise<{ nuxt: any; builder: any }>;

generate: (
    config: Configuration,
    options?: { build?: boolean; init?: boolean },
    initOptions?: { beforeNuxtReady?: BeforeNuxtReadyFn }
) => Promise<{ nuxt: any; builder: any; generator: any }>;

generatePort: (port?: number) => Promise<number>;

init: (
    config: Configuration,
    options?: { beforeNuxtReady?: BeforeNuxtReadyFn }
) => Promise<any>;

loadConfig: (
    dir: string,
    fixture?: string,
    override?: Configuration,
    options?: { merge?: boolean }
) => Configuration;

setup: (
    config: Configuration,
    options?: {
        port?: number;
        waitFor?: number;
        beforeNuxtReady?: BeforeNuxtReadyFn;
    }
) => Promise<{ nuxt: any; builder: any }>;

url: (path?: string) => string;

type BeforeNuxtReadyFn = (nuxt: any /*TBD*/) => Promise<void>;

type GetRequest<T = any> = (
    path: string,
    options?: RequestPromiseOptions
) => Promise<T>;