diff --git a/src/ol/format/format.exports b/src/ol/format/format.exports
new file mode 100644
index 0000000000..0d0fdfb024
--- /dev/null
+++ b/src/ol/format/format.exports
@@ -0,0 +1,2 @@
+@exportProperty ol.format.Format.prototype.readProjection
+@exportProperty ol.format.Format.prototype.readStyleFunction
diff --git a/src/ol/format/format.js b/src/ol/format/format.js
new file mode 100644
index 0000000000..18d924554d
--- /dev/null
+++ b/src/ol/format/format.js
@@ -0,0 +1,101 @@
+goog.provide('ol.format.Format');
+goog.provide('ol.format.FormatType');
+
+goog.require('goog.functions');
+goog.require('ol.proj');
+
+
+/**
+ * @enum {string}
+ */
+ol.format.FormatType = {
+  BINARY: 'binary',
+  JSON: 'json',
+  TEXT: 'text',
+  XML: 'xml'
+};
+
+
+
+/**
+ * @constructor
+ */
+ol.format.Format = function() {
+};
+
+
+/**
+ * @return {ol.format.FormatType} Format.
+ */
+ol.format.Format.prototype.getType = goog.abstractMethod;
+
+
+/**
+ * @param {Document|Node|Object|string} source Source.
+ * @return {ol.Feature} Feature.
+ */
+ol.format.Format.prototype.readFeature = goog.abstractMethod;
+
+
+/**
+ * @param {Document|Node|Object|string} source Source.
+ * @return {Array.<ol.Feature>} Features.
+ */
+ol.format.Format.prototype.readFeatures = goog.abstractMethod;
+
+
+/**
+ * @param {Document|Node|Object|string} source Source.
+ * @param {function(this: S, ol.Feature, (Document|Node|Object|undefined)): T}
+ *     callback Callback.
+ * @param {S=} opt_obj Scope.
+ * @template S,T
+ */
+ol.format.Format.prototype.readFeaturesAsync = goog.abstractMethod;
+
+
+/**
+ * @param {Document|Node|Object|string} source Source.
+ * @return {ol.geom.Geometry} Geometry.
+ */
+ol.format.Format.prototype.readGeometry = goog.abstractMethod;
+
+
+/**
+ * @param {Document|Node|Object|string} source Source.
+ * @return {ol.proj.Projection} Projection.
+ */
+ol.format.Format.prototype.readProjection = function(source) {
+  return ol.proj.get('EPSG:4326');
+};
+
+
+/**
+ * @param {Document|Node|Object|string} source Source.
+ * @return {function(ol.Feature, number): Array.<ol.style.Style>} Style
+ *     function.
+ */
+ol.format.Format.prototype.readStyleFunction = function(source) {
+  return goog.functions.NULL;
+};
+
+
+/**
+ * @param {ol.Feature} feature Feature.
+ * @return {Node|Object|string} Result.
+ */
+ol.format.Format.prototype.writeFeature = goog.abstractMethod;
+
+
+/**
+ * @param {Array.<ol.Feature>} features Features.
+ * @return {Node|Object|string} Result.
+ */
+ol.format.Format.prototype.writeFeatures = goog.abstractMethod;
+
+
+/**
+ * @param {ol.geom.Geometry} geometry Geometry.
+ * @return {Node|Object|string} Node.
+ */
+ol.format.Format.prototype.writeGeometry = goog.abstractMethod;