Fix TypeScript types

index.d.ts

@@ -1,42 +1,40 @@
 declare namespace jaymock {
     type ExtensionName = string | {[key: string]: Function};
     type Functions = {[key: string]: Function};
-    type Instance = {template: jaymock.Template, functions: jaymock.Functions}
     interface Template {
         [key: string]: string | number | Template;
     }
     interface Populated {
         [key: string]: unknown | Array<Populated> | Populated;
     }
-    interface Method {
-        /**
-        Populates the template object with fake data.
-        @param template - A [`template`](https://github.com/unmock/jaymock#template) object to populate.
-        @returns An `object` populated with fake data.
-        */
-        populate(template: jaymock.Template): jaymock.Populated;
+}
 
-        /**
-        Adds a custom data generation function that can be called in the `populate` `template` object using the value of its `name`.
-        @param name - A `string` used to refer to the `body` function.
-        @param body - A `function` that can be referred to in the `template` object.
-        */
-        extend(name: jaymock.ExtensionName, body?: Function): void;
+declare function jaymock(): {
+    /**
+    Populates the template object with fake data.
+    @param template - A [`template`](https://github.com/unmock/jaymock#template) object to populate.
+    @returns An `object` populated with fake data.
+    */
+    populate(template: jaymock.Template): jaymock.Populated;
 
-        /**
-        Sets `Faker.js`'s language locale.
-        @param locale - `Faker.js` locale.
-        */
-        setFakerLocale(locale: string): void;
+    /**
+    Adds a custom data generation function that can be called in the `populate` `template` object using the value of its `name`.
+    @param name - A `string` used to refer to the `body` function.
+    @param body - A `function` that can be referred to in the `template` object.
+    */
+    extend(name: jaymock.ExtensionName, body?: Function): void;
 
-        /**
-        Sets `Faker.js`'s randomness seed.
-        @param seed - `Faker.js` randomness seed.
-        */
-        setFakerSeed(seed: number): void;
-    }
-}
+    /**
+    Sets `Faker.js`'s language locale.
+    @param locale - `Faker.js` locale.
+    */
+    setFakerLocale(locale: string): void;
 
-declare function jaymock(): jaymock.Instance & jaymock.Method;
+    /**
+    Sets `Faker.js`'s randomness seed.
+    @param seed - `Faker.js` randomness seed.
+    */
+    setFakerSeed(seed: number): void;
+};
 
 export = jaymock;

index.test-d.ts

@@ -3,7 +3,6 @@ import jaymock = require('.');
 
 const jm = jaymock();
 
-expectType<jaymock.Instance & jaymock.Method>(jm);
 expectType<jaymock.Populated>(jm.populate({
     name: 'fake({{name.lastName}}, {{name.firstName}} {{name.suffix}})',
     ssn: 'chance.ssn',