An alternative to the custom TypeAdapter to handle Rotten Tomatoes returning different JSON primitives for Movie runtime

Movie.java

@DebugLog
public class Movie {
    @Expose
    public Object runtime;
    // ...
    public Integer getMovieRuntime() {
        if (runtime instanceof String && !TextUtils.isEmpty((String) runtime)) {
            return Integer.valueOf((String) runtime);
        } else if (runtime instanceof Integer) {
            return (Integer) runtime;
        } else return 0;
    }

    public void setMovieRuntime(Object runtime) {
        this.runtime = runtime;
    }
    // ...
}