ionic-framework/util/feature-detect.d.ts

The ionic-framework package comes with both Javascript and Sass frontend dependencies, located in the root of the package, and a Node API, located in `tooling/`.

export declare class FeatureDetect {
    run(window: any, document: any): void;
    has(featureName: any): boolean;
    static add(name: any, fn: any): void;
}