feat: add Options utility type

npm/ng-packs/packages/schematics/src/models/util.ts

@@ -1,2 +1,16 @@
 // Omissible (given keys will become optional)
 export type Omissible<T, K extends keyof T> = Partial<Pick<T, K>> & Omit<T, K>;
+
+// ExcludeKeys (keys will be excluded based on their type)
+type ExcludeKeys<Type, Excluded> = Exclude<
+  {
+    [Key in keyof Type]: Type[Key] extends Excluded ? never : Key;
+  }[keyof Type],
+  never
+>;
+
+// tslint:disable-next-line: ban-types
+type ExcludeMethods<Type> = Pick<Type, ExcludeKeys<Type, Function>>;
+
+// Options (methods will be omitted, given keys will become optional)
+export type Options<T, K extends keyof ExcludeMethods<T>> = Omissible<ExcludeMethods<T>, K>;