diff --git a/src/ol/format/gml/base.js b/src/ol/format/gml/base.js
index 5d48a08975..e561921c50 100644
--- a/src/ol/format/gml/base.js
+++ b/src/ol/format/gml/base.js
@@ -10,10 +10,8 @@ goog.require('goog.object');
 goog.require('goog.string');
 goog.require('ol.Feature');
 goog.require('ol.array');
-goog.require('ol.extent');
 goog.require('ol.format.Feature');
 goog.require('ol.format.XMLFeature');
-goog.require('ol.format.XSD');
 goog.require('ol.geom.Geometry');
 goog.require('ol.geom.LineString');
 goog.require('ol.geom.LinearRing');
@@ -100,16 +98,6 @@ ol.format.GML = function(opt_options) {
 goog.inherits(ol.format.GML, ol.format.XMLFeature);
 
 
-/**
- * @const
- * @type {string}
- * @private
- */
-ol.format.GML.schemaLocation_ = 'http://www.opengis.net/gml ' +
-    'http://schemas.opengis.net/gml/3.1.1/profiles/gmlsfProfile/' +
-    '1.0.0/gmlsf.xsd';
-
-
 /**
  * @param {Node} node Node.
  * @param {Array.<*>} objectStack Object stack.
@@ -286,51 +274,6 @@ ol.format.GML.prototype.readMultiLineString_ = function(node, objectStack) {
 /**
  * @param {Node} node Node.
  * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {ol.geom.MultiLineString|undefined} MultiLineString.
- */
-ol.format.GML.prototype.readMultiCurve_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'MultiCurve');
-  var lineStrings = ol.xml.pushParseAndPop(
-      /** @type {Array.<ol.geom.LineString>} */ ([]),
-      ol.format.GML.MULTICURVE_PARSERS_, node, objectStack, this);
-  if (goog.isDef(lineStrings)) {
-    var multiLineString = new ol.geom.MultiLineString(null);
-    multiLineString.setLineStrings(lineStrings);
-    return multiLineString;
-  } else {
-    return undefined;
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {ol.geom.MultiPolygon|undefined} MultiPolygon.
- */
-ol.format.GML.prototype.readMultiSurface_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'MultiSurface');
-  var polygons = ol.xml.pushParseAndPop(
-      /** @type {Array.<ol.geom.Polygon>} */ ([]),
-      ol.format.GML.MULTISURFACE_PARSERS_, node, objectStack, this);
-  if (goog.isDef(polygons)) {
-    var multiPolygon = new ol.geom.MultiPolygon(null);
-    multiPolygon.setPolygons(polygons);
-    return multiPolygon;
-  } else {
-    return undefined;
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
  * @return {ol.geom.MultiPolygon|undefined} MultiPolygon.
  */
 ol.format.GML.prototype.readMultiPolygon_ = function(node, objectStack) {
@@ -376,32 +319,6 @@ ol.format.GML.prototype.lineStringMemberParser_ = function(node, objectStack) {
 };
 
 
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- */
-ol.format.GML.prototype.curveMemberParser_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'curveMember' ||
-      node.localName == 'curveMembers');
-  ol.xml.parse(ol.format.GML.CURVEMEMBER_PARSERS_, node, objectStack, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- */
-ol.format.GML.prototype.surfaceMemberParser_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'surfaceMember' ||
-      node.localName == 'surfaceMembers');
-  ol.xml.parse(ol.format.GML.SURFACEMEMBER_PARSERS_, node, objectStack, this);
-};
-
-
 /**
  * @param {Node} node Node.
  * @param {Array.<*>} objectStack Object stack.
@@ -436,109 +353,6 @@ ol.format.GML.prototype.readLineString_ = function(node, objectStack) {
 };
 
 
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {Array.<(Array.<number>)>|undefined} flat coordinates.
- */
-ol.format.GML.prototype.readPatch_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'patches');
-  return ol.xml.pushParseAndPop(
-      /** @type {Array.<Array.<number>>} */ ([null]),
-      ol.format.GML.PATCHES_PARSERS_, node, objectStack, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {Array.<number>|undefined} flat coordinates.
- */
-ol.format.GML.prototype.readSegment_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'segments');
-  return ol.xml.pushParseAndPop(
-      /** @type {Array.<number>} */ ([null]),
-      ol.format.GML.SEGMENTS_PARSERS_, node, objectStack, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {Array.<(Array.<number>)>|undefined} flat coordinates.
- */
-ol.format.GML.prototype.readPolygonPatch_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'PolygonPatch');
-  return ol.xml.pushParseAndPop(
-      /** @type {Array.<Array.<number>>} */ ([null]),
-      ol.format.GML.FLAT_LINEAR_RINGS_PARSERS_, node, objectStack, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {Array.<number>|undefined} flat coordinates.
- */
-ol.format.GML.prototype.readLineStringSegment_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'LineStringSegment');
-  return ol.xml.pushParseAndPop(
-      /** @type {Array.<number>} */ ([null]),
-      ol.format.GML.GEOMETRY_FLAT_COORDINATES_PARSERS_,
-      node, objectStack, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- */
-ol.format.GML.prototype.interiorParser_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'interior');
-  var flatLinearRing = ol.xml.pushParseAndPop(
-      /** @type {Array.<number>|undefined} */ (undefined),
-      ol.format.GML.RING_PARSERS, node, objectStack, this);
-  if (goog.isDef(flatLinearRing)) {
-    var flatLinearRings = /** @type {Array.<Array.<number>>} */
-        (objectStack[objectStack.length - 1]);
-    goog.asserts.assert(goog.isArray(flatLinearRings));
-    goog.asserts.assert(flatLinearRings.length > 0);
-    flatLinearRings.push(flatLinearRing);
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- */
-ol.format.GML.prototype.exteriorParser_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'exterior');
-  var flatLinearRing = ol.xml.pushParseAndPop(
-      /** @type {Array.<number>|undefined} */ (undefined),
-      ol.format.GML.RING_PARSERS, node, objectStack, this);
-  if (goog.isDef(flatLinearRing)) {
-    var flatLinearRings = /** @type {Array.<Array.<number>>} */
-        (objectStack[objectStack.length - 1]);
-    goog.asserts.assert(goog.isArray(flatLinearRings));
-    goog.asserts.assert(flatLinearRings.length > 0);
-    flatLinearRings[0] = flatLinearRing;
-  }
-};
-
-
 /**
  * @param {Node} node Node.
  * @param {Array.<*>} objectStack Object stack.
@@ -611,77 +425,6 @@ ol.format.GML.prototype.readPolygon_ = function(node, objectStack) {
 };
 
 
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {ol.geom.Polygon|undefined} Polygon.
- */
-ol.format.GML.prototype.readSurface_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'Surface');
-  var flatLinearRings = ol.xml.pushParseAndPop(
-      /** @type {Array.<Array.<number>>} */ ([null]),
-      ol.format.GML.SURFACE_PARSERS_, node, objectStack, this);
-  if (goog.isDef(flatLinearRings) &&
-      !goog.isNull(flatLinearRings[0])) {
-    var polygon = new ol.geom.Polygon(null);
-    var flatCoordinates = flatLinearRings[0];
-    var ends = [flatCoordinates.length];
-    var i, ii;
-    for (i = 1, ii = flatLinearRings.length; i < ii; ++i) {
-      ol.array.safeExtend(flatCoordinates, flatLinearRings[i]);
-      ends.push(flatCoordinates.length);
-    }
-    polygon.setFlatCoordinates(
-        ol.geom.GeometryLayout.XYZ, flatCoordinates, ends);
-    return polygon;
-  } else {
-    return undefined;
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {ol.geom.LineString|undefined} LineString.
- */
-ol.format.GML.prototype.readCurve_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'Curve');
-  var flatCoordinates = ol.xml.pushParseAndPop(
-      /** @type {Array.<number>} */ ([null]),
-      ol.format.GML.CURVE_PARSERS_, node, objectStack, this);
-  if (goog.isDef(flatCoordinates)) {
-    var lineString = new ol.geom.LineString(null);
-    lineString.setFlatCoordinates(ol.geom.GeometryLayout.XYZ, flatCoordinates);
-    return lineString;
-  } else {
-    return undefined;
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
- * @private
- * @return {ol.Extent|undefined} Envelope.
- */
-ol.format.GML.prototype.readEnvelope_ = function(node, objectStack) {
-  goog.asserts.assert(node.nodeType == goog.dom.NodeType.ELEMENT);
-  goog.asserts.assert(node.localName == 'Envelope');
-  var flatCoordinates = ol.xml.pushParseAndPop(
-      /** @type {Array.<number>} */ ([null]),
-      ol.format.GML.ENVELOPE_PARSERS_, node, objectStack, this);
-  return ol.extent.createOrUpdate(flatCoordinates[1][0],
-      flatCoordinates[1][1], flatCoordinates[2][0],
-      flatCoordinates[2][1]);
-};
-
-
 /**
  * @param {Node} node Node.
  * @param {Array.<*>} objectStack Object stack.
@@ -699,94 +442,30 @@ ol.format.GML.prototype.readFlatCoordinatesFromNode_ = function(node,
 
 
 /**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
+ * @const
+ * @type {Object.<string, Object.<string, ol.xml.Parser>>}
  * @private
- * @return {Array.<number>|undefined} Flat coordinates.
  */
-ol.format.GML.prototype.readFlatPos_ = function(node, objectStack) {
-  var s = ol.xml.getAllTextContent(node, false);
-  var re = /^\s*([+\-]?\d*\.?\d+(?:[eE][+\-]?\d+)?)\s*/;
-  /** @type {Array.<number>} */
-  var flatCoordinates = [];
-  var m;
-  while ((m = re.exec(s))) {
-    flatCoordinates.push(parseFloat(m[1]));
-    s = s.substr(m[0].length);
+ol.format.GML.POLYGONMEMBER_PARSERS_ = {
+  'http://www.opengis.net/gml' : {
+    'Polygon': ol.xml.makeArrayPusher(
+        ol.format.GML.prototype.readPolygon)
   }
-  if (s !== '') {
-    return undefined;
-  }
-  var context = objectStack[0];
-  goog.asserts.assert(goog.isObject(context));
-  var containerSrs = goog.object.get(context, 'srsName');
-  var axisOrientation = 'enu';
-  if (!goog.isNull(containerSrs)) {
-    var proj = ol.proj.get(containerSrs);
-    axisOrientation = proj.getAxisOrientation();
-  }
-  if (axisOrientation === 'neu') {
-    var i, ii;
-    for (i = 0, ii = flatCoordinates.length; i < ii; i += 3) {
-      var y = flatCoordinates[i];
-      var x = flatCoordinates[i + 1];
-      flatCoordinates[i] = x;
-      flatCoordinates[i + 1] = y;
-    }
-  }
-  var len = flatCoordinates.length;
-  if (len == 2) {
-    flatCoordinates.push(0);
-  }
-  if (len === 0) {
-    return undefined;
-  }
-  return flatCoordinates;
 };
 
 
 /**
- * @param {Node} node Node.
- * @param {Array.<*>} objectStack Object stack.
+ * @const
+ * @type {Object.<string, Object.<string, ol.xml.Parser>>}
  * @private
- * @return {Array.<number>|undefined} Flat coordinates.
  */
-ol.format.GML.prototype.readFlatPosList_ = function(node, objectStack) {
-  var s = ol.xml.getAllTextContent(node, false).replace(/^\s*|\s*$/g, '');
-  var context = objectStack[0];
-  goog.asserts.assert(goog.isObject(context));
-  var containerSrs = goog.object.get(context, 'srsName');
-  var containerDimension = node.parentNode.getAttribute('srsDimension');
-  var axisOrientation = 'enu';
-  if (!goog.isNull(containerSrs)) {
-    var proj = ol.proj.get(containerSrs);
-    axisOrientation = proj.getAxisOrientation();
+ol.format.GML.MULTILINESTRING_PARSERS_ = {
+  'http://www.opengis.net/gml' : {
+    'lineStringMember': ol.xml.makeArrayPusher(
+        ol.format.GML.prototype.lineStringMemberParser_),
+    'lineStringMembers': ol.xml.makeArrayPusher(
+        ol.format.GML.prototype.lineStringMemberParser_)
   }
-  var coords = s.split(/\s+/);
-  // The "dimension" attribute is from the GML 3.0.1 spec.
-  var dim = 2;
-  if (!goog.isNull(node.getAttribute('srsDimension'))) {
-    dim = ol.format.XSD.readNonNegativeIntegerString(
-        node.getAttribute('srsDimension'));
-  } else if (!goog.isNull(node.getAttribute('dimension'))) {
-    dim = ol.format.XSD.readNonNegativeIntegerString(
-        node.getAttribute('dimension'));
-  } else if (!goog.isNull(containerDimension)) {
-    dim = ol.format.XSD.readNonNegativeIntegerString(containerDimension);
-  }
-  var x, y, z;
-  var flatCoordinates = [];
-  for (var i = 0, ii = coords.length; i < ii; i += dim) {
-    x = parseFloat(coords[i]);
-    y = parseFloat(coords[i + 1]);
-    z = (dim === 3) ? parseFloat(coords[i + 2]) : 0;
-    if (axisOrientation.substr(0, 2) === 'en') {
-      flatCoordinates.push(x, y, z);
-    } else {
-      flatCoordinates.push(y, x, z);
-    }
-  }
-  return flatCoordinates;
 };
 
 
@@ -818,107 +497,6 @@ ol.format.GML.GEOMETRY_PARSERS_ = {
 };
 
 
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.GEOMETRY_FLAT_COORDINATES_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'pos': ol.xml.makeReplacer(ol.format.GML.prototype.readFlatPos_),
-    'posList': ol.xml.makeReplacer(ol.format.GML.prototype.readFlatPosList_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.FLAT_LINEAR_RINGS_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'interior': ol.format.GML.prototype.interiorParser_,
-    'exterior': ol.format.GML.prototype.exteriorParser_
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.MULTIPOINT_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'pointMember': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.pointMemberParser_),
-    'pointMembers': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.pointMemberParser_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.MULTILINESTRING_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'lineStringMember': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.lineStringMemberParser_),
-    'lineStringMembers': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.lineStringMemberParser_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.MULTICURVE_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'curveMember': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.curveMemberParser_),
-    'curveMembers': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.curveMemberParser_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.MULTISURFACE_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'surfaceMember': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.surfaceMemberParser_),
-    'surfaceMembers': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.surfaceMemberParser_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.MULTIPOLYGON_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'polygonMember': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.polygonMemberParser_),
-    'polygonMembers': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.polygonMemberParser_)
-  }
-};
-
-
 /**
  * @const
  * @type {Object.<string, Object.<string, ol.xml.Parser>>}
@@ -940,7 +518,7 @@ ol.format.GML.POINTMEMBER_PARSERS_ = {
 ol.format.GML.LINESTRINGMEMBER_PARSERS_ = {
   'http://www.opengis.net/gml' : {
     'LineString': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.readLineString_)
+        ol.format.GML.prototype.readLineString)
   }
 };
 
@@ -950,102 +528,12 @@ ol.format.GML.LINESTRINGMEMBER_PARSERS_ = {
  * @type {Object.<string, Object.<string, ol.xml.Parser>>}
  * @private
  */
-ol.format.GML.CURVEMEMBER_PARSERS_ = {
+ol.format.GML.MULTIPOINT_PARSERS_ = {
   'http://www.opengis.net/gml' : {
-    'LineString': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.readLineString_),
-    'Curve': ol.xml.makeArrayPusher(ol.format.GML.prototype.readCurve_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.SURFACEMEMBER_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'Polygon': ol.xml.makeArrayPusher(ol.format.GML.prototype.readPolygon_),
-    'Surface': ol.xml.makeArrayPusher(ol.format.GML.prototype.readSurface_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.POLYGONMEMBER_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'Polygon': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.readPolygon_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.SURFACE_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'patches': ol.xml.makeReplacer(ol.format.GML.prototype.readPatch_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.CURVE_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'segments': ol.xml.makeReplacer(ol.format.GML.prototype.readSegment_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.ENVELOPE_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'lowerCorner': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.readFlatPosList_),
-    'upperCorner': ol.xml.makeArrayPusher(
-        ol.format.GML.prototype.readFlatPosList_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.PATCHES_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'PolygonPatch': ol.xml.makeReplacer(
-        ol.format.GML.prototype.readPolygonPatch_)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, Object.<string, ol.xml.Parser>>}
- * @private
- */
-ol.format.GML.SEGMENTS_PARSERS_ = {
-  'http://www.opengis.net/gml' : {
-    'LineStringSegment': ol.xml.makeReplacer(
-        ol.format.GML.prototype.readLineStringSegment_)
+    'pointMember': ol.xml.makeArrayPusher(
+        ol.format.GML.prototype.pointMemberParser_),
+    'pointMembers': ol.xml.makeArrayPusher(
+        ol.format.GML.prototype.pointMemberParser_)
   }
 };
 
@@ -1107,693 +595,3 @@ ol.format.GML.prototype.readProjectionFromNode = function(node) {
   return ol.proj.get(goog.isDef(this.srsName_) ? this.srsName_ :
       node.firstElementChild.getAttribute('srsName'));
 };
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.Point} value Point geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writePos_ = function(node, value, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  var axisOrientation = 'enu';
-  if (goog.isDefAndNotNull(srsName)) {
-    axisOrientation = ol.proj.get(srsName).getAxisOrientation();
-  }
-  var point = value.getCoordinates();
-  var coords;
-  // only 2d for simple features profile
-  if (axisOrientation.substr(0, 2) === 'en') {
-    coords = (point[0] + ' ' + point[1]);
-  } else {
-    coords = (point[1] + ' ' + point[0]);
-  }
-  ol.format.XSD.writeStringTextNode(node, coords);
-};
-
-
-/**
- * @param {Array.<number>} point Point geometry.
- * @param {string=} opt_srsName Optional srsName
- * @return {string}
- * @private
- */
-ol.format.GML.prototype.getCoords_ = function(point, opt_srsName) {
-  var axisOrientation = 'enu';
-  if (goog.isDefAndNotNull(opt_srsName)) {
-    axisOrientation = ol.proj.get(opt_srsName).getAxisOrientation();
-  }
-  return ((axisOrientation.substr(0, 2) === 'en') ?
-      point[0] + ' ' + point[1] :
-      point[1] + ' ' + point[0]);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.LineString|ol.geom.LinearRing} value Geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writePosList_ = function(node, value, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  // only 2d for simple features profile
-  var points = value.getCoordinates();
-  var len = points.length;
-  var parts = new Array(len);
-  var point;
-  for (var i = 0; i < len; ++i) {
-    point = points[i];
-    parts[i] = this.getCoords_(point, srsName);
-  }
-  ol.format.XSD.writeStringTextNode(node, parts.join(' '));
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.Point} geometry Point geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writePoint_ = function(node, geometry, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  if (goog.isDefAndNotNull(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  var pos = ol.xml.createElementNS(node.namespaceURI, 'pos');
-  node.appendChild(pos);
-  this.writePos_(pos, geometry, objectStack);
-};
-
-
-/**
- * @type {Object.<string, Object.<string, ol.xml.Serializer>>}
- * @private
- */
-ol.format.GML.ENVELOPE_SERIALIZERS_ = {
-  'http://www.opengis.net/gml': {
-    'lowerCorner': ol.xml.makeChildAppender(ol.format.XSD.writeStringTextNode),
-    'upperCorner': ol.xml.makeChildAppender(ol.format.XSD.writeStringTextNode)
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.Extent} extent Extent.
- * @param {Array.<*>} objectStack Node stack.
- */
-ol.format.GML.prototype.writeEnvelope = function(node, extent, objectStack) {
-  goog.asserts.assert(extent.length == 4);
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  if (goog.isDef(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  var keys = ['lowerCorner', 'upperCorner'];
-  var values = [extent[0] + ' ' + extent[1], extent[2] + ' ' + extent[3]];
-  ol.xml.pushSerializeAndPop(/** @type {ol.xml.NodeStackItem} */
-      ({node: node}), ol.format.GML.ENVELOPE_SERIALIZERS_,
-      ol.xml.OBJECT_PROPERTY_NODE_FACTORY,
-      values,
-      objectStack, keys, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.LinearRing} geometry LinearRing geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeLinearRing_ =
-    function(node, geometry, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  if (goog.isDefAndNotNull(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  var posList = ol.xml.createElementNS(node.namespaceURI, 'posList');
-  node.appendChild(posList);
-  this.writePosList_(posList, geometry, objectStack);
-};
-
-
-/**
- * @param {*} value Value.
- * @param {Array.<*>} objectStack Object stack.
- * @param {string=} opt_nodeName Node name.
- * @return {Node} Node.
- * @private
- */
-ol.format.GML.prototype.RING_NODE_FACTORY_ =
-    function(value, objectStack, opt_nodeName) {
-  var context = objectStack[objectStack.length - 1];
-  var parentNode = context.node;
-  goog.asserts.assert(goog.isObject(context));
-  var exteriorWritten = goog.object.get(context, 'exteriorWritten');
-  if (!goog.isDef(exteriorWritten)) {
-    goog.object.set(context, 'exteriorWritten', true);
-  }
-  return ol.xml.createElementNS(parentNode.namespaceURI,
-      goog.isDef(exteriorWritten) ? 'interior' : 'exterior');
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.Polygon} geometry Polygon geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeSurfaceOrPolygon_ =
-    function(node, geometry, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  if (node.nodeName !== 'PolygonPatch' && goog.isDefAndNotNull(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  if (node.nodeName === 'Polygon' || node.nodeName === 'PolygonPatch') {
-    var rings = geometry.getLinearRings();
-    ol.xml.pushSerializeAndPop(
-        {node: node, srsName: srsName},
-        ol.format.GML.RING_SERIALIZERS_,
-        this.RING_NODE_FACTORY_,
-        rings, objectStack, undefined, this);
-  } else if (node.nodeName === 'Surface') {
-    var patches = ol.xml.createElementNS(node.namespaceURI, 'patches');
-    node.appendChild(patches);
-    this.writeSurfacePatches_(
-        patches, geometry, objectStack);
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.LineString} geometry LineString geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeCurveOrLineString_ =
-    function(node, geometry, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  if (node.nodeName !== 'LineStringSegment' && goog.isDefAndNotNull(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  if (node.nodeName === 'LineString' || node.nodeName === 'LineStringSegment') {
-    var posList = ol.xml.createElementNS(node.namespaceURI, 'posList');
-    node.appendChild(posList);
-    this.writePosList_(posList, geometry, objectStack);
-  } else if (node.nodeName === 'Curve') {
-    var segments = ol.xml.createElementNS(node.namespaceURI, 'segments');
-    node.appendChild(segments);
-    this.writeCurveSegments_(segments,
-        geometry, objectStack);
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.MultiPolygon} geometry MultiPolygon geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeMultiSurfaceOrPolygon_ = function(node, geometry,
-    objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  var surface = goog.object.get(context, 'surface');
-  if (goog.isDefAndNotNull(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  var polygons = geometry.getPolygons();
-  ol.xml.pushSerializeAndPop({node: node, srsName: srsName, surface: surface},
-      ol.format.GML.SURFACEORPOLYGONMEMBER_SERIALIZERS_,
-      this.MULTIGEOMETRY_MEMBER_NODE_FACTORY_, polygons,
-      objectStack, undefined, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.MultiPoint} geometry MultiPoint geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeMultiPoint_ = function(node, geometry,
-    objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  if (goog.isDefAndNotNull(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  var points = geometry.getPoints();
-  ol.xml.pushSerializeAndPop({node: node, srsName: srsName},
-      ol.format.GML.POINTMEMBER_SERIALIZERS_,
-      ol.xml.makeSimpleNodeFactory('pointMember'), points,
-      objectStack, undefined, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.MultiLineString} geometry MultiLineString geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeMultiCurveOrLineString_ = function(node, geometry,
-    objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var srsName = goog.object.get(context, 'srsName');
-  var curve = goog.object.get(context, 'curve');
-  if (goog.isDefAndNotNull(srsName)) {
-    node.setAttribute('srsName', srsName);
-  }
-  var lines = geometry.getLineStrings();
-  ol.xml.pushSerializeAndPop({node: node, srsName: srsName, curve: curve},
-      ol.format.GML.LINESTRINGORCURVEMEMBER_SERIALIZERS_,
-      this.MULTIGEOMETRY_MEMBER_NODE_FACTORY_, lines,
-      objectStack, undefined, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.LinearRing} ring LinearRing geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeRing_ = function(node, ring, objectStack) {
-  var linearRing = ol.xml.createElementNS(node.namespaceURI, 'LinearRing');
-  node.appendChild(linearRing);
-  this.writeLinearRing_(linearRing, ring, objectStack);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.Polygon} polygon Polygon geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeSurfaceOrPolygonMember_ = function(node, polygon,
-    objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var child = this.GEOMETRY_NODE_FACTORY_(
-      polygon, objectStack);
-  if (goog.isDef(child)) {
-    node.appendChild(child);
-    this.writeSurfaceOrPolygon_(child, polygon, objectStack);
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.Point} point Point geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writePointMember_ = function(node, point, objectStack) {
-  var child = ol.xml.createElementNS(node.namespaceURI, 'Point');
-  node.appendChild(child);
-  this.writePoint_(child, point, objectStack);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.LineString} line LineString geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeLineStringOrCurveMember_ = function(node, line,
-    objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var child = this.GEOMETRY_NODE_FACTORY_(line, objectStack);
-  if (goog.isDef(child)) {
-    node.appendChild(child);
-    this.writeCurveOrLineString_(child, line, objectStack);
-  }
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.Polygon} polygon Polygon geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeSurfacePatches_ =
-    function(node, polygon, objectStack) {
-  var child = ol.xml.createElementNS(node.namespaceURI, 'PolygonPatch');
-  node.appendChild(child);
-  this.writeSurfaceOrPolygon_(child, polygon, objectStack);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.LineString} line LineString geometry.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeCurveSegments_ =
-    function(node, line, objectStack) {
-  var child = ol.xml.createElementNS(node.namespaceURI, 'LineStringSegment');
-  node.appendChild(child);
-  this.writeCurveOrLineString_(child, line, objectStack);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.geom.Geometry|ol.Extent} geometry Geometry.
- * @param {Array.<*>} objectStack Node stack.
- */
-ol.format.GML.prototype.writeGeometryElement =
-    function(node, geometry, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var item = goog.object.clone(context);
-  item.node = node;
-  var value;
-  if (goog.isArray(geometry)) {
-    if (goog.isDef(context.dataProjection)) {
-      value = ol.proj.transformExtent(
-          geometry, context.featureProjection, context.dataProjection);
-    } else {
-      value = geometry;
-    }
-  } else {
-    goog.asserts.assertInstanceof(geometry, ol.geom.Geometry);
-    value =
-        ol.format.Feature.transformWithOptions(geometry, true, context);
-  }
-  ol.xml.pushSerializeAndPop(/** @type {ol.xml.NodeStackItem} */
-      (item), ol.format.GML.GEOMETRY_SERIALIZERS_,
-      this.GEOMETRY_NODE_FACTORY_, [value],
-      objectStack, undefined, this);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {ol.Feature} feature Feature.
- * @param {Array.<*>} objectStack Node stack.
- */
-ol.format.GML.prototype.writeFeatureElement =
-    function(node, feature, objectStack) {
-  var fid = feature.getId();
-  if (goog.isDef(fid)) {
-    node.setAttribute('fid', fid);
-  }
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var featureNS = goog.object.get(context, 'featureNS');
-  var geometryName = feature.getGeometryName();
-  if (!goog.isDef(context.serializers)) {
-    context.serializers = {};
-    context.serializers[featureNS] = {};
-  }
-  var properties = feature.getProperties();
-  var keys = [], values = [];
-  for (var key in properties) {
-    var value = properties[key];
-    if (!goog.isNull(value)) {
-      keys.push(key);
-      values.push(value);
-      if (key == geometryName) {
-        if (!(key in context.serializers[featureNS])) {
-          context.serializers[featureNS][key] = ol.xml.makeChildAppender(
-              this.writeGeometryElement, this);
-        }
-      } else {
-        if (!(key in context.serializers[featureNS])) {
-          context.serializers[featureNS][key] = ol.xml.makeChildAppender(
-              ol.format.XSD.writeStringTextNode);
-        }
-      }
-    }
-  }
-  var item = goog.object.clone(context);
-  item.node = node;
-  ol.xml.pushSerializeAndPop(/** @type {ol.xml.NodeStackItem} */
-      (item), context.serializers,
-      ol.xml.makeSimpleNodeFactory(undefined, featureNS),
-      values,
-      objectStack, keys);
-};
-
-
-/**
- * @param {Node} node Node.
- * @param {Array.<ol.Feature>} features Features.
- * @param {Array.<*>} objectStack Node stack.
- * @private
- */
-ol.format.GML.prototype.writeFeatureMembers_ =
-    function(node, features, objectStack) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var featureType = goog.object.get(context, 'featureType');
-  var featureNS = goog.object.get(context, 'featureNS');
-  var serializers = {};
-  serializers[featureNS] = {};
-  serializers[featureNS][featureType] = ol.xml.makeChildAppender(
-      this.writeFeatureElement, this);
-  var item = goog.object.clone(context);
-  item.node = node;
-  ol.xml.pushSerializeAndPop(/** @type {ol.xml.NodeStackItem} */
-      (item),
-      serializers,
-      ol.xml.makeSimpleNodeFactory(featureType, featureNS), features,
-      objectStack);
-};
-
-
-/**
- * @type {Object.<string, Object.<string, ol.xml.Serializer>>}
- * @private
- */
-ol.format.GML.SURFACEORPOLYGONMEMBER_SERIALIZERS_ = {
-  'http://www.opengis.net/gml': {
-    'surfaceMember': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeSurfaceOrPolygonMember_),
-    'polygonMember': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeSurfaceOrPolygonMember_)
-  }
-};
-
-
-/**
- * @type {Object.<string, Object.<string, ol.xml.Serializer>>}
- * @private
- */
-ol.format.GML.POINTMEMBER_SERIALIZERS_ = {
-  'http://www.opengis.net/gml': {
-    'pointMember': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writePointMember_)
-  }
-};
-
-
-/**
- * @type {Object.<string, Object.<string, ol.xml.Serializer>>}
- * @private
- */
-ol.format.GML.LINESTRINGORCURVEMEMBER_SERIALIZERS_ = {
-  'http://www.opengis.net/gml': {
-    'lineStringMember': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeLineStringOrCurveMember_),
-    'curveMember': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeLineStringOrCurveMember_)
-  }
-};
-
-
-/**
- * @type {Object.<string, Object.<string, ol.xml.Serializer>>}
- * @private
- */
-ol.format.GML.RING_SERIALIZERS_ = {
-  'http://www.opengis.net/gml': {
-    'exterior': ol.xml.makeChildAppender(ol.format.GML.prototype.writeRing_),
-    'interior': ol.xml.makeChildAppender(ol.format.GML.prototype.writeRing_)
-  }
-};
-
-
-/**
- * @type {Object.<string, Object.<string, ol.xml.Serializer>>}
- * @private
- */
-ol.format.GML.GEOMETRY_SERIALIZERS_ = {
-  'http://www.opengis.net/gml': {
-    'Curve': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeCurveOrLineString_),
-    'MultiCurve': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeMultiCurveOrLineString_),
-    'Point': ol.xml.makeChildAppender(ol.format.GML.prototype.writePoint_),
-    'MultiPoint': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeMultiPoint_),
-    'LineString': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeCurveOrLineString_),
-    'MultiLineString': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeMultiCurveOrLineString_),
-    'LinearRing': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeLinearRing_),
-    'Polygon': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeSurfaceOrPolygon_),
-    'MultiPolygon': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeMultiSurfaceOrPolygon_),
-    'Surface': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeSurfaceOrPolygon_),
-    'MultiSurface': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeMultiSurfaceOrPolygon_),
-    'Envelope': ol.xml.makeChildAppender(
-        ol.format.GML.prototype.writeEnvelope)
-  }
-};
-
-
-/**
- * @const
- * @type {Object.<string, string>}
- * @private
- */
-ol.format.GML.MULTIGEOMETRY_TO_MEMBER_NODENAME_ = {
-  'MultiLineString': 'lineStringMember',
-  'MultiCurve': 'curveMember',
-  'MultiPolygon': 'polygonMember',
-  'MultiSurface': 'surfaceMember'
-};
-
-
-/**
- * @const
- * @param {*} value Value.
- * @param {Array.<*>} objectStack Object stack.
- * @param {string=} opt_nodeName Node name.
- * @return {Node|undefined} Node.
- * @private
- */
-ol.format.GML.prototype.MULTIGEOMETRY_MEMBER_NODE_FACTORY_ = function(value,
-    objectStack, opt_nodeName) {
-  var parentNode = objectStack[objectStack.length - 1].node;
-  goog.asserts.assert(ol.xml.isNode(parentNode));
-  return ol.xml.createElementNS('http://www.opengis.net/gml',
-      ol.format.GML.MULTIGEOMETRY_TO_MEMBER_NODENAME_[parentNode.nodeName]);
-};
-
-
-/**
- * @const
- * @param {*} value Value.
- * @param {Array.<*>} objectStack Object stack.
- * @param {string=} opt_nodeName Node name.
- * @return {Node|undefined} Node.
- * @private
- */
-ol.format.GML.prototype.GEOMETRY_NODE_FACTORY_ = function(value, objectStack,
-    opt_nodeName) {
-  var context = objectStack[objectStack.length - 1];
-  goog.asserts.assert(goog.isObject(context));
-  var multiSurface = goog.object.get(context, 'multiSurface');
-  var surface = goog.object.get(context, 'surface');
-  var curve = goog.object.get(context, 'curve');
-  var multiCurve = goog.object.get(context, 'multiCurve');
-  var parentNode = objectStack[objectStack.length - 1].node;
-  goog.asserts.assert(ol.xml.isNode(parentNode));
-  var nodeName;
-  if (!goog.isArray(value)) {
-    goog.asserts.assertInstanceof(value, ol.geom.Geometry);
-    nodeName = value.getType();
-    if (nodeName === 'MultiPolygon' && multiSurface === true) {
-      nodeName = 'MultiSurface';
-    } else if (nodeName === 'Polygon' && surface === true) {
-      nodeName = 'Surface';
-    } else if (nodeName === 'LineString' && curve === true) {
-      nodeName = 'Curve';
-    } else if (nodeName === 'MultiLineString' && multiCurve === true) {
-      nodeName = 'MultiCurve';
-    }
-  } else {
-    nodeName = 'Envelope';
-  }
-  return ol.xml.createElementNS('http://www.opengis.net/gml',
-      nodeName);
-};
-
-
-/**
- * @inheritDoc
- */
-ol.format.GML.prototype.writeGeometryNode = function(geometry, opt_options) {
-  var geom = ol.xml.createElementNS('http://www.opengis.net/gml', 'geom');
-  var context = {node: geom, srsName: this.srsName_,
-    curve: this.curve_, surface: this.surface_,
-    multiSurface: this.multiSurface_, multiCurve: this.multiCurve_};
-  if (goog.isDef(opt_options)) {
-    goog.object.extend(context, opt_options);
-  }
-  this.writeGeometryElement(geom, geometry, [context]);
-  return geom;
-};
-
-
-/**
- * Encode an array of features in GML 3.1.1 Simple Features.
- *
- * @function
- * @param {Array.<ol.Feature>} features Features.
- * @param {olx.format.WriteOptions=} opt_options Options.
- * @return {Node} Result.
- * @api stable
- */
-ol.format.GML.prototype.writeFeatures;
-
-
-/**
- * @inheritDoc
- */
-ol.format.GML.prototype.writeFeaturesNode = function(features, opt_options) {
-  var node = ol.xml.createElementNS('http://www.opengis.net/gml',
-      'featureMembers');
-  ol.xml.setAttributeNS(node, 'http://www.w3.org/2001/XMLSchema-instance',
-      'xsi:schemaLocation', this.schemaLocation);
-  var context = {
-    srsName: this.srsName_,
-    curve: this.curve_,
-    surface: this.surface_,
-    multiSurface: this.multiSurface_,
-    multiCurve: this.multiCurve_,
-    featureNS: this.featureNS_,
-    featureType: this.featureType_
-  };
-  if (goog.isDef(opt_options)) {
-    goog.object.extend(context, opt_options);
-  }
-  this.writeFeatureMembers_(node, features, [context]);
-  return node;
-};