foo.diff

diff --git a/src/lib/tree-select/index.js.flow b/src/lib/tree-select/index.js.flow
index 7bfb4bdf..589679c8 100644
--- a/src/lib/tree-select/index.js.flow
+++ b/src/lib/tree-select/index.js.flow
@@ -16,7 +16,7 @@
  * returns an array of values to be used in the Computation as well
  * as the values used by the caching/memoization layer.
  */
-type DependentsSelector<S, D> = S => D;
+type DependentsSelector<S, O, D> = (S, ...O) => D;
 
 /**
  * Function that computes a value based on the dependent values provided
@@ -55,6 +55,6 @@ type CachedSelector<S, R, O> = (S, ...O) => R;
  * as the rest.
  */
 declare export default function treeSelect<S, D: Array<*>, R, O: Array<*>>(
-	DependentsSelector<S, D>,
+	DependentsSelector<S, O, D>,
 	Computation<D, R, O>
 ): CachedSelector<S, R, O>;