type JsonPrimitive = string | number | boolean | null;

type JsonArray = JsonValue[];

type JsonObject = { [key: string]: JsonValue };

type JsonValue = JsonPrimitive | JsonArray | JsonObject;

export type Nil = null | undefined;

export interface Config {
  env?: { [P in string]?: string | Nil } | Nil;
  globals?: { [key: string]: JsonValue } | Nil;
  import?: string | string[] | Nil;
  require?: string | string[] | Nil;
}