ember-source/types/stable/@ember/template-compiler/lib/compile-options.d.ts

declare module '@ember/template-compiler/lib/compile-options' {
  import type { EmberPrecompileOptions } from '@ember/template-compiler/lib/types';
  export default function compileOptions(
    _options?: Partial<EmberPrecompileOptions>
  ): EmberPrecompileOptions;
}