diff --git a/lib/flutter_map.dart b/lib/flutter_map.dart
index 84d7705f6..8351c54c1 100644
--- a/lib/flutter_map.dart
+++ b/lib/flutter_map.dart
@@ -24,6 +24,7 @@ export 'src/layer/polygon_layer.dart';
 export 'src/layer/polyline_layer.dart';
 export 'src/layer/tile_layer.dart';
 export 'src/plugins/plugin.dart';
+export 'src/core/center_zoom.dart';
 
 class FlutterMap extends StatefulWidget {
   /// A set of layers' options to used to create the layers on the map
diff --git a/lib/src/layer/marker_layer.dart b/lib/src/layer/marker_layer.dart
index dec91a149..a55c28d10 100644
--- a/lib/src/layer/marker_layer.dart
+++ b/lib/src/layer/marker_layer.dart
@@ -47,7 +47,7 @@ class Anchor {
     }
   }
 
-  factory Anchor._forPos(AnchorPos pos, double width, double height) {
+  factory Anchor.forPos(AnchorPos pos, double width, double height) {
     if (pos == null) return Anchor._(width, height, null);
     if (pos.value is AnchorAlign) return Anchor._(width, height, pos.value);
     if (pos.value is Anchor) return pos.value;
@@ -83,7 +83,7 @@ class Marker {
     this.width = 30.0,
     this.height = 30.0,
     AnchorPos anchorPos,
-  }) : anchor = Anchor._forPos(anchorPos, width, height);
+  }) : anchor = Anchor.forPos(anchorPos, width, height);
 }
 
 class MarkerLayer extends StatelessWidget {
diff --git a/lib/src/map/map.dart b/lib/src/map/map.dart
index c70312b09..fb916c0fc 100644
--- a/lib/src/map/map.dart
+++ b/lib/src/map/map.dart
@@ -134,7 +134,7 @@ class MapState {
     if (!bounds.isValid) {
       throw Exception('Bounds are not valid.');
     }
-    var target = _getBoundsCenterZoom(bounds, options);
+    var target = getBoundsCenterZoom(bounds, options);
     move(target.center, target.zoom);
   }
 
@@ -161,7 +161,7 @@ class MapState {
     );
   }
 
-  CenterZoom _getBoundsCenterZoom(
+  CenterZoom getBoundsCenterZoom(
       LatLngBounds bounds, FitBoundsOptions options) {
     var paddingTL =
         CustomPoint<double>(options.padding.left, options.padding.top);