Do not document object literals as interfaces

Instead, object literals with properties that should not be
renamed can go in externs/olx.js.

src/ol/framestate.js

@@ -6,17 +6,17 @@ goog.provide('ol.PreRenderFunction');
 
 
 /**
- * @typedef {function(ol.Map, ?oli.FrameState): boolean}
+ * @typedef {function(ol.Map, ?olx.FrameState): boolean}
  */
 ol.PostRenderFunction;
 
 
 /**
  * Function to perform manipulations before rendering. This function is called
- * with the {@link ol.Map} as first and an optional {@link oli.FrameState} as
+ * with the {@link ol.Map} as first and an optional {@link olx.FrameState} as
  * second argument. Return `true` to keep this function for the next frame,
  * `false` to remove it.
- * @typedef {function(ol.Map, ?oli.FrameState): boolean}
+ * @typedef {function(ol.Map, ?olx.FrameState): boolean}
  * @todo api
  */
 ol.PreRenderFunction;