diff --git a/iron-a11y-keys.d.ts b/iron-a11y-keys.d.ts
index d8ae9e0..dc91ca4 100644
--- a/iron-a11y-keys.d.ts
+++ b/iron-a11y-keys.d.ts
@@ -9,6 +9,7 @@
  */
 
 /// <reference path="../polymer/types/polymer.d.ts" />
+/// <reference path="../iron-a11y-keys-behavior/iron-a11y-keys-behavior.d.ts" />
 
 interface IronA11yKeysElement extends Polymer.Element, Polymer.IronA11yKeysBehavior {
   target: Node|null;
diff --git a/package-lock.json b/package-lock.json
index 5909378..2fdee71 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,22 +4,22 @@
   "lockfileVersion": 1,
   "dependencies": {
     "@polymer/gen-typescript-declarations": {
-      "version": "1.2.0",
-      "resolved": "https://registry.npmjs.org/@polymer/gen-typescript-declarations/-/gen-typescript-declarations-1.2.0.tgz",
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+      "version": "1.2.1",
+      "resolved": "https://registry.npmjs.org/@polymer/gen-typescript-declarations/-/gen-typescript-declarations-1.2.1.tgz",
+      "integrity": "sha512-N0rNp+F8Cp0iQ40i3Lx3onWnRXMnfMosR9WFE+IHMF4k5Fv2toRYz77EZMEPPZCz1tzFmCUelHxvxpdssT9oCw==",
       "dev": true,
       "requires": {
         "@types/doctrine": "0.0.3",
-        "@types/fs-extra": "5.0.0",
+        "@types/fs-extra": "5.0.1",
         "@types/glob": "5.0.35",
         "command-line-args": "5.0.2",
-        "command-line-usage": "4.1.0",
+        "command-line-usage": "5.0.2",
         "doctrine": "2.1.0",
-        "escodegen": "1.9.0",
+        "escodegen": "1.9.1",
         "fs-extra": "5.0.0",
         "glob": "7.1.2",
         "minimatch": "3.0.4",
-        "polymer-analyzer": "3.0.0-pre.12"
+        "polymer-analyzer": "3.0.0-pre.14"
       }
     },
     "@types/babel-generator": {
@@ -95,18 +95,18 @@
       "dev": true
     },
     "@types/events": {
-      "version": "1.1.0",
-      "resolved": "https://registry.npmjs.org/@types/events/-/events-1.1.0.tgz",
-      "integrity": "sha512-y3bR98mzYOo0pAZuiLari+cQyiKk3UXRuT45h1RjhfeCzqkjaVsfZJNaxdgtk7/3tzOm1ozLTqEqMP3VbI48jw==",
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@types/events/-/events-1.2.0.tgz",
+      "integrity": "sha512-KEIlhXnIutzKwRbQkGWb/I4HFqBuUykAdHgDED6xqwXJfONCjF5VoE0cXEiurh3XauygxzeDzgtXUqvLkxFzzA==",
       "dev": true
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     "@types/fs-extra": {
-      "version": "5.0.0",
-      "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-5.0.0.tgz",
-      "integrity": "sha512-qtxDULQKUenuaDLW003CgC+0T0eiAfH3BrH+vSt87GLzbz5EZ6Ox6mv9rMttvhDOatbb9nYh0E1m7ydoYwUrAg==",
+      "version": "5.0.1",
+      "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-5.0.1.tgz",
+      "integrity": "sha512-h3wnflb+jMTipvbbZnClgA2BexrT4w0GcfoCz5qyxd0IRsbqhLSyesM6mqZTAnhbVmhyTm5tuxfRu9R+8l+lGw==",
       "dev": true,
       "requires": {
-        "@types/node": "9.4.6"
+        "@types/node": "9.4.7"
       }
     },
     "@types/glob": {
@@ -115,11 +115,17 @@
       "integrity": "sha512-wc+VveszMLyMWFvXLkloixT4n0harUIVZjnpzztaZ0nKLuul7Z32iMt2fUFGAaZ4y1XWjFRMtCI5ewvyh4aIeg==",
       "dev": true,
       "requires": {
-        "@types/events": "1.1.0",
+        "@types/events": "1.2.0",
         "@types/minimatch": "3.0.3",
-        "@types/node": "9.4.6"
+        "@types/node": "9.4.7"
       }
     },
+    "@types/is-windows": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/@types/is-windows/-/is-windows-0.2.0.tgz",
+      "integrity": "sha1-byTuSHMdMRaOpRBhDW3RXl/Jxv8=",
+      "dev": true
+    },
     "@types/minimatch": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
@@ -127,9 +133,9 @@
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-      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.4.6.tgz",
-      "integrity": "sha512-CTUtLb6WqCCgp6P59QintjHWqzf4VL1uPA27bipLAPxFqrtK1gEYllePzTICGqQ8rYsCbpnsNypXjjDzGAAjEQ==",
+      "version": "9.4.7",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-9.4.7.tgz",
+      "integrity": "sha512-4Ba90mWNx8ddbafuyGGwjkZMigi+AWfYLSDCpovwsE63ia8w93r3oJ8PIAQc3y8U+XHcnMOHPIzNe3o438Ywcw==",
       "dev": true
     },
     "@types/parse5": {
@@ -138,25 +144,25 @@
       "integrity": "sha1-44cKEOgnNacg9i1x3NGDunjvOp0=",
       "dev": true,
       "requires": {
-        "@types/node": "9.4.6"
+        "@types/node": "9.4.7"
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-    "@types/winston": {
-      "version": "2.3.8",
-      "resolved": "https://registry.npmjs.org/@types/winston/-/winston-2.3.8.tgz",
-      "integrity": "sha512-QqR0j08RCS1AQYPMRPHikEpcmK+2aEEbcSzWLwOqyJ4FhLmHUx/WjRrnn7tTQg/y4IKnMhzskh/o7qvGIZZ7iA==",
+    "@types/resolve": {
+      "version": "0.0.6",
+      "resolved": "https://registry.npmjs.org/@types/resolve/-/resolve-0.0.6.tgz",
+      "integrity": "sha512-g+Rg8uMWY76oYTyaL+m7ZcblqF/oj7pE6uEUyACluJx4zcop1Lk14qQiocdEkEVMDFm6DmKpxJhsER+ZuTwG3g==",
       "dev": true,
       "requires": {
-        "@types/node": "9.4.6"
+        "@types/node": "9.4.7"
       }
     },
-    "ansi-escape-sequences": {
-      "version": "4.0.0",
-      "resolved": "https://registry.npmjs.org/ansi-escape-sequences/-/ansi-escape-sequences-4.0.0.tgz",
-      "integrity": "sha512-v+0wW9Wezwsyb0uF4aBVCjmSqit3Ru7PZFziGF0o2KwTvN2zWfTi3BRLq9EkJFdg3eBbyERXGTntVpBxH1J68Q==",
+    "@types/winston": {
+      "version": "2.3.8",
+      "resolved": "https://registry.npmjs.org/@types/winston/-/winston-2.3.8.tgz",
+      "integrity": "sha512-QqR0j08RCS1AQYPMRPHikEpcmK+2aEEbcSzWLwOqyJ4FhLmHUx/WjRrnn7tTQg/y4IKnMhzskh/o7qvGIZZ7iA==",
       "dev": true,
       "requires": {
-        "array-back": "2.0.0"
+        "@types/node": "9.4.7"
       }
     },
     "ansi-regex": {
@@ -166,10 +172,13 @@
       "dev": true
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     "ansi-styles": {
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-      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-2.2.1.tgz",
-      "integrity": "sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=",
-      "dev": true
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "requires": {
+        "color-convert": "1.9.1"
+      }
     },
     "argv-tools": {
       "version": "0.1.1",
@@ -197,12 +206,12 @@
       "dev": true
     },
     "babel-code-frame": {
-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-6.26.0.tgz",
-      "integrity": "sha1-Y/1D99weO7fONZR9uP42mj9Yx0s=",
+      "version": "7.0.0-beta.3",
+      "resolved": "https://registry.npmjs.org/babel-code-frame/-/babel-code-frame-7.0.0-beta.3.tgz",
+      "integrity": "sha512-flMsJ9eSpShupt2Gwpka84DoMePvE4HlDObzdEc+1iNkacv3+NHlsJ7dMKmbnVA/AT22UhcGEBHwbJLoXWBO6Q==",
       "dev": true,
       "requires": {
-        "chalk": "1.1.3",
+        "chalk": "2.3.2",
         "esutils": "2.0.2",
         "js-tokens": "3.0.2"
       }
@@ -221,6 +230,47 @@
         "lodash": "4.17.5",
         "source-map": "0.5.7",
         "trim-right": "1.0.1"
+      },
+      "dependencies": {
+        "babel-types": {
+          "version": "6.26.0",
+          "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
+          "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
+          "dev": true,
+          "requires": {
+            "babel-runtime": "6.26.0",
+            "esutils": "2.0.2",
+            "lodash": "4.17.5",
+            "to-fast-properties": "1.0.3"
+          }
+        },
+        "source-map": {
+          "version": "0.5.7",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.5.7.tgz",
+          "integrity": "sha1-igOdLRAh0i0eoUyA2OpGi6LvP8w=",
+          "dev": true
+        }
+      }
+    },
+    "babel-helper-function-name": {
+      "version": "7.0.0-beta.3",
+      "resolved": "https://registry.npmjs.org/babel-helper-function-name/-/babel-helper-function-name-7.0.0-beta.3.tgz",
+      "integrity": "sha512-iMWYqwDarQOVlEGcK1MfbtK9vrFGs5Z4UQsdASJUHdhBp918EM5kndwriiIbhUX8gr2B/CEV/udJkFTrHsjdMQ==",
+      "dev": true,
+      "requires": {
+        "babel-helper-get-function-arity": "7.0.0-beta.3",
+        "babel-template": "7.0.0-beta.3",
+        "babel-traverse": "7.0.0-beta.3",
+        "babel-types": "7.0.0-beta.3"
+      }
+    },
+    "babel-helper-get-function-arity": {
+      "version": "7.0.0-beta.3",
+      "resolved": "https://registry.npmjs.org/babel-helper-get-function-arity/-/babel-helper-get-function-arity-7.0.0-beta.3.tgz",
+      "integrity": "sha512-ZkYFRMWKx1c9fUW72YNM3eieBG701CMbLjmLLWmJTTPc0F0kddS9Fwok26EAmndUAgD6kFdh7ms3PH94MdGuGQ==",
+      "dev": true,
+      "requires": {
+        "babel-types": "7.0.0-beta.3"
       }
     },
     "babel-messages": {
@@ -242,39 +292,74 @@
         "regenerator-runtime": "0.11.1"
       }
     },
+    "babel-template": {
+      "version": "7.0.0-beta.3",
+      "resolved": "https://registry.npmjs.org/babel-template/-/babel-template-7.0.0-beta.3.tgz",
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+      "dev": true,
+      "requires": {
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+        "babel-traverse": "7.0.0-beta.3",
+        "babel-types": "7.0.0-beta.3",
+        "babylon": "7.0.0-beta.27",
+        "lodash": "4.17.5"
+      },
+      "dependencies": {
+        "babylon": {
+          "version": "7.0.0-beta.27",
+          "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.27.tgz",
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+          "dev": true
+        }
+      }
+    },
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-      "version": "6.26.0",
-      "resolved": "https://registry.npmjs.org/babel-traverse/-/babel-traverse-6.26.0.tgz",
-      "integrity": "sha1-RqnL1+3MYsjlwGTi0tjQ9ANXZu4=",
+      "version": "7.0.0-beta.3",
+      "resolved": "https://registry.npmjs.org/babel-traverse/-/babel-traverse-7.0.0-beta.3.tgz",
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+        "babel-helper-function-name": "7.0.0-beta.3",
+        "babel-types": "7.0.0-beta.3",
+        "babylon": "7.0.0-beta.27",
+        "debug": "3.1.0",
+        "globals": "10.4.0",
+        "invariant": "2.2.3",
         "lodash": "4.17.5"
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-      "version": "6.26.0",
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-      "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
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-        "babel-runtime": "6.26.0",
         "esutils": "2.0.2",
         "lodash": "4.17.5",
-        "to-fast-properties": "1.0.3"
+        "to-fast-properties": "2.0.0"
+      },
+      "dependencies": {
+        "to-fast-properties": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+          "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+          "dev": true
+        }
       }
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     "babylon": {
-      "version": "6.18.0",
-      "resolved": "https://registry.npmjs.org/babylon/-/babylon-6.18.0.tgz",
-      "integrity": "sha512-q/UEjfGJ2Cm3oKV71DJz9d25TPnq5rhBVL2Q4fA5wcC3jcrdn7+SssEybFIxwAvvP+YCsCYNKughoF33GxgycQ==",
+      "version": "7.0.0-beta.40",
+      "resolved": "https://registry.npmjs.org/babylon/-/babylon-7.0.0-beta.40.tgz",
+      "integrity": "sha512-AVxF2EcxvGD5hhOuLTOLAXBb0VhwWpEX0HyHdAI2zU+AAP4qEwtQj8voz1JR3uclGai0rfcE+dCTHnNMOnimFg==",
       "dev": true
     },
     "balanced-match": {
@@ -299,17 +384,32 @@
         "concat-map": "0.0.1"
       }
     },
+    "cancel-token": {
+      "version": "0.1.1",
+      "resolved": "https://registry.npmjs.org/cancel-token/-/cancel-token-0.1.1.tgz",
+      "integrity": "sha1-wYGXZ0uxyEwdaTPr8V2NWlznm08=",
+      "dev": true,
+      "requires": {
+        "@types/node": "4.2.23"
+      },
+      "dependencies": {
+        "@types/node": {
+          "version": "4.2.23",
+          "resolved": "https://registry.npmjs.org/@types/node/-/node-4.2.23.tgz",
+          "integrity": "sha512-U6IchCNLRyswc9p6G6lxWlbE+KwAhZp6mGo6MD2yWpmFomhYmetK+c98OpKyvphNn04CU3aXeJrXdOqbXVTS/w==",
+          "dev": true
+        }
+      }
+    },
     "chalk": {
-      "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
-      "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
+      "version": "2.3.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.3.2.tgz",
+      "integrity": "sha512-ZM4j2/ld/YZDc3Ma8PgN7gyAk+kHMMMyzLNryCPGhWrsfAuDVeuid5bpRFTDgMH9JBK2lA4dyyAkkZYF/WcqDQ==",
       "dev": true,
       "requires": {
-        "ansi-styles": "2.2.1",
+        "ansi-styles": "3.2.1",
         "escape-string-regexp": "1.0.5",
-        "has-ansi": "2.0.0",
-        "strip-ansi": "3.0.1",
-        "supports-color": "2.0.0"
+        "supports-color": "5.3.0"
       }
     },
     "clone": {
@@ -318,6 +418,21 @@
       "integrity": "sha1-0hfR6WERjjrJpLi7oyhVU79kfNs=",
       "dev": true
     },
+    "color-convert": {
+      "version": "1.9.1",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.1.tgz",
+      "integrity": "sha512-mjGanIiwQJskCC18rPR6OmrZ6fm2Lc7PeGFYwCmy5J34wC6F1PzdGL6xeMfmgicfYcNLGuVFA3WzXtIDCQSZxQ==",
+      "dev": true,
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
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@@ -338,13 +453,13 @@
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+      "version": "5.0.2",
+      "resolved": "https://registry.npmjs.org/command-line-usage/-/command-line-usage-5.0.2.tgz",
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       "dev": true,
       "requires": {
-        "ansi-escape-sequences": "4.0.0",
         "array-back": "2.0.0",
+        "chalk": "2.3.2",
         "table-layout": "0.4.2",
         "typical": "2.6.1"
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@@ -374,9 +489,9 @@
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@@ -430,16 +545,16 @@
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diff --git a/package.json b/package.json
index 785418b..679dc82 100644
--- a/package.json
+++ b/package.json
@@ -8,7 +8,7 @@
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