@FormUrlEncoded @POST("/api/search_subreddits") abstract fun searchSubreddits(@Field("query") query: String, @Field("exact") exact: Boolean? = null, @Field("include_over_18") includeOver18: Boolean? = null, @Field("include_unadvertisable") includeUnadvertisable: Boolean? = null, @Query("raw_json") rawJson: Int? = null, @HeaderMap header: HashMap<String, String>): Call<SubredditSearchResult>