Search improvements.

app/Support/Search/SearchInterface.php

@@ -31,6 +31,11 @@ use Illuminate\Support\Collection;
  */
 interface SearchInterface
 {
+    /**
+     * @return Collection
+     */
+    public function getModifiers(): Collection;
+
     /**
      * @return string
      */
@@ -46,6 +51,11 @@ interface SearchInterface
      */
     public function parseQuery(string $query);
 
+    /**
+     * @return float
+     */
+    public function searchTime(): float;
+
     /**
      * @return LengthAwarePaginator
      */