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diff --git a/contexts/data/lib/closure-library/closure/goog/functions/functions.js b/contexts/data/lib/closure-library/closure/goog/functions/functions.js
deleted file mode 100644
index 280e31c..0000000
--- a/contexts/data/lib/closure-library/closure/goog/functions/functions.js
+++ /dev/null
@@ -1,236 +0,0 @@
-// Copyright 2008 The Closure Library Authors. All Rights Reserved.
-//
-// Licensed under the Apache License, Version 2.0 (the "License");
-// you may not use this file except in compliance with the License.
-// You may obtain a copy of the License at
-//
-//      http://www.apache.org/licenses/LICENSE-2.0
-//
-// Unless required by applicable law or agreed to in writing, software
-// distributed under the License is distributed on an "AS-IS" BASIS,
-// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-// See the License for the specific language governing permissions and
-// limitations under the License.
-
-/**
- * @fileoverview Utilities for creating functions. Loosely inspired by the
- * java classes: http://go/functions.java and http://go/predicate.java.
- *
- * @author nicksantos@google.com (Nick Santos)
- */
-
-
-goog.provide('goog.functions');
-
-
-/**
- * Creates a function that always returns the same value.
- * @param {*} retValue The value to return.
- * @return {!Function} The new function.
- */
-goog.functions.constant = function(retValue) {
-  return function() {
-    return retValue;
-  };
-};
-
-
-/**
- * Always returns false.
- * @type {function(...): boolean}
- */
-goog.functions.FALSE = goog.functions.constant(false);
-
-
-/**
- * Always returns true.
- * @type {function(...): boolean}
- */
-goog.functions.TRUE = goog.functions.constant(true);
-
-
-/**
- * Always returns NULL.
- * @type {function(...): null}
- */
-goog.functions.NULL = goog.functions.constant(null);
-
-
-/**
- * A simple function that returns the first argument of whatever is passed
- * into it.
- * @param {*=} opt_returnValue The single value that will be returned.
- * @param {...*} var_args Optional trailing arguments. These are ignored.
- * @return {?} The first argument passed in, or undefined if nothing was passed.
- *     We can't know the type -- just pass it along without type.
- */
-goog.functions.identity = function(opt_returnValue, var_args) {
-  return opt_returnValue;
-};
-
-
-/**
- * Creates a function that always throws an error with the given message.
- * @param {string} message The error message.
- * @return {!Function} The error-throwing function.
- */
-goog.functions.error = function(message) {
-  return function() {
-    throw Error(message);
-  };
-};
-
-
-/**
- * Given a function, create a function that keeps opt_numArgs arguments and
- * silently discards all additional arguments.
- * @param {Function} f The original function.
- * @param {number=} opt_numArgs The number of arguments to keep. Defaults to 0.
- * @return {!Function} A version of f that only keeps the first opt_numArgs
- *     arguments.
- */
-goog.functions.lock = function(f, opt_numArgs) {
-  opt_numArgs = opt_numArgs || 0;
-  return function() {
-    return f.apply(this, Array.prototype.slice.call(arguments, 0, opt_numArgs));
-  };
-};
-
-
-/**
- * Given a function, create a new function that swallows its return value
- * and replaces it with a new one.
- * @param {Function} f A function.
- * @param {*} retValue A new return value.
- * @return {!Function} A new function.
- */
-goog.functions.withReturnValue = function(f, retValue) {
-  return goog.functions.sequence(f, goog.functions.constant(retValue));
-};
-
-
-/**
- * Creates the composition of the functions passed in.
- * For example, (goog.functions.compose(f, g))(a) is equivalent to f(g(a)).
- * @param {...Function} var_args A list of functions.
- * @return {!Function} The composition of all inputs.
- */
-goog.functions.compose = function(var_args) {
-  var functions = arguments;
-  var length = functions.length;
-  return function() {
-    var result;
-    if (length) {
-      result = functions[length - 1].apply(this, arguments);
-    }
-
-    for (var i = length - 2; i >= 0; i--) {
-      result = functions[i].call(this, result);
-    }
-    return result;
-  };
-};
-
-
-/**
- * Creates a function that calls the functions passed in in sequence, and
- * returns the value of the last function. For example,
- * (goog.functions.sequence(f, g))(x) is equivalent to f(x),g(x).
- * @param {...Function} var_args A list of functions.
- * @return {!Function} A function that calls all inputs in sequence.
- */
-goog.functions.sequence = function(var_args) {
-  var functions = arguments;
-  var length = functions.length;
-  return function() {
-    var result;
-    for (var i = 0; i < length; i++) {
-      result = functions[i].apply(this, arguments);
-    }
-    return result;
-  };
-};
-
-
-/**
- * Creates a function that returns true if each of its components evaluates
- * to true. The components are evaluated in order, and the evaluation will be
- * short-circuited as soon as a function returns false.
- * For example, (goog.functions.and(f, g))(x) is equivalent to f(x) && g(x).
- * @param {...Function} var_args A list of functions.
- * @return {!Function} A function that ANDs its component functions.
- */
-goog.functions.and = function(var_args) {
-  var functions = arguments;
-  var length = functions.length;
-  return function() {
-    for (var i = 0; i < length; i++) {
-      if (!functions[i].apply(this, arguments)) {
-        return false;
-      }
-    }
-    return true;
-  };
-};
-
-
-/**
- * Creates a function that returns true if any of its components evaluates
- * to true. The components are evaluated in order, and the evaluation will be
- * short-circuited as soon as a function returns true.
- * For example, (goog.functions.or(f, g))(x) is equivalent to f(x) || g(x).
- * @param {...Function} var_args A list of functions.
- * @return {!Function} A function that ORs its component functions.
- */
-goog.functions.or = function(var_args) {
-  var functions = arguments;
-  var length = functions.length;
-  return function() {
-    for (var i = 0; i < length; i++) {
-      if (functions[i].apply(this, arguments)) {
-        return true;
-      }
-    }
-    return false;
-  };
-};
-
-
-/**
- * Creates a function that returns the Boolean opposite of a provided function.
- * For example, (goog.functions.not(f))(x) is equivalent to !f(x).
- * @param {!Function} f The original function.
- * @return {!Function} A function that delegates to f and returns opposite.
- */
-goog.functions.not = function(f) {
-  return function() {
-    return !f.apply(this, arguments);
-  };
-};
-
-
-/**
- * Generic factory function to construct an object given the constructor
- * and the arguments. Intended to be bound to create object factories.
- *
- * Callers should cast the result to the appropriate type for proper type
- * checking by the compiler.
- * @param {!Function} constructor The constructor for the Object.
- * @param {...*} var_args The arguments to be passed to the constructor.
- * @return {!Object} A new instance of the class given in {@code constructor}.
- */
-goog.functions.create = function(constructor, var_args) {
-  /** @constructor */
-  var temp = function() {};
-  temp.prototype = constructor.prototype;
-
-  // obj will have constructor's prototype in its chain and
-  // 'obj instanceof constructor' will be true.
-  var obj = new temp();
-
-  // obj is initialized by constructor.
-  // arguments is only array-like so lacks shift(), but can be used with
-  // the Array prototype function.
-  constructor.apply(obj, Array.prototype.slice.call(arguments, 1));
-  return obj;
-};