diff --git a/package.json b/package.json
index d15b81a..d1d86d7 100644
--- a/package.json
+++ b/package.json
@@ -43,7 +43,7 @@
     "jest-cli": "22.4.2",
     "pretty-format": "22.4.0",
     "release-it": "7.2.1",
-    "ts-jest": "22.4.2",
+    "ts-jest": "22.4.6",
     "tslint": "5.9.1",
     "typescript": "2.7.2"
   },
diff --git a/yarn.lock b/yarn.lock
index 9e5616a..dd3ec28 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -361,6 +361,30 @@ babel-core@^6.0.0, babel-core@^6.26.0:
     slash "^1.0.0"
     source-map "^0.5.6"
 
+babel-core@^6.26.3:
+  version "6.26.3"
+  resolved "https://registry.yarnpkg.com/babel-core/-/babel-core-6.26.3.tgz#b2e2f09e342d0f0c88e2f02e067794125e75c207"
+  dependencies:
+    babel-code-frame "^6.26.0"
+    babel-generator "^6.26.0"
+    babel-helpers "^6.24.1"
+    babel-messages "^6.23.0"
+    babel-register "^6.26.0"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-traverse "^6.26.0"
+    babel-types "^6.26.0"
+    babylon "^6.18.0"
+    convert-source-map "^1.5.1"
+    debug "^2.6.9"
+    json5 "^0.5.1"
+    lodash "^4.17.4"
+    minimatch "^3.0.4"
+    path-is-absolute "^1.0.1"
+    private "^0.1.8"
+    slash "^1.0.0"
+    source-map "^0.5.7"
+
 babel-generator@^6.18.0, babel-generator@^6.26.0:
   version "6.26.1"
   resolved "https://registry.yarnpkg.com/babel-generator/-/babel-generator-6.26.1.tgz#1844408d3b8f0d35a404ea7ac180f087a601bd90"
@@ -494,7 +518,7 @@ babel-plugin-check-es2015-constants@^6.22.0:
   dependencies:
     babel-runtime "^6.22.0"
 
-babel-plugin-istanbul@^4.1.4, babel-plugin-istanbul@^4.1.5:
+babel-plugin-istanbul@^4.1.5:
   version "4.1.5"
   resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.5.tgz#6760cdd977f411d3e175bb064f2bc327d99b2b6e"
   dependencies:
@@ -502,10 +526,23 @@ babel-plugin-istanbul@^4.1.4, babel-plugin-istanbul@^4.1.5:
     istanbul-lib-instrument "^1.7.5"
     test-exclude "^4.1.1"
 
+babel-plugin-istanbul@^4.1.6:
+  version "4.1.6"
+  resolved "https://registry.yarnpkg.com/babel-plugin-istanbul/-/babel-plugin-istanbul-4.1.6.tgz#36c59b2192efce81c5b378321b74175add1c9a45"
+  dependencies:
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
+    find-up "^2.1.0"
+    istanbul-lib-instrument "^1.10.1"
+    test-exclude "^4.2.1"
+
 babel-plugin-jest-hoist@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.1.tgz#d712fe5da8b6965f3191dacddbefdbdf4fb66d63"
 
+babel-plugin-jest-hoist@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/babel-plugin-jest-hoist/-/babel-plugin-jest-hoist-22.4.3.tgz#7d8bcccadc2667f96a0dcc6afe1891875ee6c14a"
+
 babel-plugin-syntax-async-functions@^6.8.0:
   version "6.13.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-syntax-async-functions/-/babel-plugin-syntax-async-functions-6.13.0.tgz#cad9cad1191b5ad634bf30ae0872391e0647be95"
@@ -614,7 +651,7 @@ babel-plugin-transform-es2015-modules-amd@^6.22.0, babel-plugin-transform-es2015
     babel-runtime "^6.22.0"
     babel-template "^6.24.1"
 
-babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1, babel-plugin-transform-es2015-modules-commonjs@^6.26.0:
+babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-es2015-modules-commonjs@^6.24.1:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.0.tgz#0d8394029b7dc6abe1a97ef181e00758dd2e5d8a"
   dependencies:
@@ -623,6 +660,15 @@ babel-plugin-transform-es2015-modules-commonjs@^6.23.0, babel-plugin-transform-e
     babel-template "^6.26.0"
     babel-types "^6.26.0"
 
+babel-plugin-transform-es2015-modules-commonjs@^6.26.2:
+  version "6.26.2"
+  resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-commonjs/-/babel-plugin-transform-es2015-modules-commonjs-6.26.2.tgz#58a793863a9e7ca870bdc5a881117ffac27db6f3"
+  dependencies:
+    babel-plugin-transform-strict-mode "^6.24.1"
+    babel-runtime "^6.26.0"
+    babel-template "^6.26.0"
+    babel-types "^6.26.0"
+
 babel-plugin-transform-es2015-modules-systemjs@^6.23.0:
   version "6.24.1"
   resolved "https://registry.yarnpkg.com/babel-plugin-transform-es2015-modules-systemjs/-/babel-plugin-transform-es2015-modules-systemjs-6.24.1.tgz#ff89a142b9119a906195f5f106ecf305d9407d23"
@@ -754,13 +800,20 @@ babel-preset-env@1.6.1:
     invariant "^2.2.2"
     semver "^5.3.0"
 
-babel-preset-jest@^22.4.0, babel-preset-jest@^22.4.1:
+babel-preset-jest@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.1.tgz#efa2e5f5334242a9457a068452d7d09735db172a"
   dependencies:
     babel-plugin-jest-hoist "^22.4.1"
     babel-plugin-syntax-object-rest-spread "^6.13.0"
 
+babel-preset-jest@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/babel-preset-jest/-/babel-preset-jest-22.4.3.tgz#e92eef9813b7026ab4ca675799f37419b5a44156"
+  dependencies:
+    babel-plugin-jest-hoist "^22.4.3"
+    babel-plugin-syntax-object-rest-spread "^6.13.0"
+
 babel-register@6.26.0, babel-register@^6.26.0:
   version "6.26.0"
   resolved "https://registry.yarnpkg.com/babel-register/-/babel-register-6.26.0.tgz#6ed021173e2fcb486d7acb45c6009a856f647071"
@@ -948,6 +1001,10 @@ bser@^2.0.0:
   dependencies:
     node-int64 "^0.4.0"
 
+buffer-from@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/buffer-from/-/buffer-from-1.0.0.tgz#4cb8832d23612589b0406e9e2956c17f06fdf531"
+
 buffer-writer@1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/buffer-writer/-/buffer-writer-1.0.1.tgz#22a936901e3029afcd7547eb4487ceb697a3bf08"
@@ -1390,7 +1447,7 @@ conventional-recommended-bump@2.0.6:
     meow "^4.0.0"
     q "^1.5.1"
 
-convert-source-map@^1.4.0, convert-source-map@^1.5.0:
+convert-source-map@^1.4.0, convert-source-map@^1.5.0, convert-source-map@^1.5.1:
   version "1.5.1"
   resolved "https://registry.yarnpkg.com/convert-source-map/-/convert-source-map-1.5.1.tgz#b8278097b9bc229365de5c62cf5fcaed8b5599e5"
 
@@ -1520,7 +1577,7 @@ debug@3.1.0, debug@^3.1.0:
   dependencies:
     ms "2.0.0"
 
-debug@^2.2.0, debug@^2.3.3, debug@^2.6.8:
+debug@^2.2.0, debug@^2.3.3, debug@^2.6.8, debug@^2.6.9:
   version "2.6.9"
   resolved "https://registry.yarnpkg.com/debug/-/debug-2.6.9.tgz#5d128515df134ff327e90a4c93f4e077a536341f"
   dependencies:
@@ -1784,6 +1841,17 @@ expect@^22.4.0:
     jest-message-util "^22.4.0"
     jest-regex-util "^22.1.0"
 
+expect@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/expect/-/expect-22.4.3.tgz#d5a29d0a0e1fb2153557caef2674d4547e914674"
+  dependencies:
+    ansi-styles "^3.2.0"
+    jest-diff "^22.4.3"
+    jest-get-type "^22.4.3"
+    jest-matcher-utils "^22.4.3"
+    jest-message-util "^22.4.3"
+    jest-regex-util "^22.4.3"
+
 extend-shallow@^2.0.1:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/extend-shallow/-/extend-shallow-2.0.1.tgz#51af7d614ad9a9f610ea1bafbb989d6b1c56890f"
@@ -1971,17 +2039,17 @@ from2@^2.1.1:
     inherits "^2.0.1"
     readable-stream "^2.0.0"
 
-fs-extra@4.0.3:
-  version "4.0.3"
-  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-4.0.3.tgz#0d852122e5bc5beb453fb028e9c0c9bf36340c94"
+fs-extra@5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-5.0.0.tgz#414d0110cdd06705734d055652c5411260c31abd"
   dependencies:
     graceful-fs "^4.1.2"
     jsonfile "^4.0.0"
     universalify "^0.1.0"
 
-fs-extra@5.0.0:
-  version "5.0.0"
-  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-5.0.0.tgz#414d0110cdd06705734d055652c5411260c31abd"
+fs-extra@6.0.0:
+  version "6.0.0"
+  resolved "https://registry.yarnpkg.com/fs-extra/-/fs-extra-6.0.0.tgz#0f0afb290bb3deb87978da816fcd3c7797f3a817"
   dependencies:
     graceful-fs "^4.1.2"
     jsonfile "^4.0.0"
@@ -2765,12 +2833,28 @@ istanbul-lib-coverage@^1.1.1, istanbul-lib-coverage@^1.1.2:
   version "1.1.2"
   resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.1.2.tgz#4113c8ff6b7a40a1ef7350b01016331f63afde14"
 
+istanbul-lib-coverage@^1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-coverage/-/istanbul-lib-coverage-1.2.0.tgz#f7d8f2e42b97e37fe796114cb0f9d68b5e3a4341"
+
 istanbul-lib-hook@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/istanbul-lib-hook/-/istanbul-lib-hook-1.1.0.tgz#8538d970372cb3716d53e55523dd54b557a8d89b"
   dependencies:
     append-transform "^0.4.0"
 
+istanbul-lib-instrument@^1.10.1:
+  version "1.10.1"
+  resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.10.1.tgz#724b4b6caceba8692d3f1f9d0727e279c401af7b"
+  dependencies:
+    babel-generator "^6.18.0"
+    babel-template "^6.16.0"
+    babel-traverse "^6.18.0"
+    babel-types "^6.18.0"
+    babylon "^6.18.0"
+    istanbul-lib-coverage "^1.2.0"
+    semver "^5.3.0"
+
 istanbul-lib-instrument@^1.7.5, istanbul-lib-instrument@^1.8.0, istanbul-lib-instrument@^1.9.2:
   version "1.9.2"
   resolved "https://registry.yarnpkg.com/istanbul-lib-instrument/-/istanbul-lib-instrument-1.9.2.tgz#84905bf47f7e0b401d6b840da7bad67086b4aab6"
@@ -2876,6 +2960,22 @@ jest-config@^22.4.2:
     jest-validate "^22.4.2"
     pretty-format "^22.4.0"
 
+jest-config@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-config/-/jest-config-22.4.3.tgz#0e9d57db267839ea31309119b41dc2fa31b76403"
+  dependencies:
+    chalk "^2.0.1"
+    glob "^7.1.1"
+    jest-environment-jsdom "^22.4.3"
+    jest-environment-node "^22.4.3"
+    jest-get-type "^22.4.3"
+    jest-jasmine2 "^22.4.3"
+    jest-regex-util "^22.4.3"
+    jest-resolve "^22.4.3"
+    jest-util "^22.4.3"
+    jest-validate "^22.4.3"
+    pretty-format "^22.4.3"
+
 jest-diff@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.0.tgz#384c2b78519ca44ca126382df53f134289232525"
@@ -2885,6 +2985,15 @@ jest-diff@^22.4.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.4.0"
 
+jest-diff@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-diff/-/jest-diff-22.4.3.tgz#e18cc3feff0aeef159d02310f2686d4065378030"
+  dependencies:
+    chalk "^2.0.1"
+    diff "^3.2.0"
+    jest-get-type "^22.4.3"
+    pretty-format "^22.4.3"
+
 jest-docblock@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-docblock/-/jest-docblock-22.4.0.tgz#dbf1877e2550070cfc4d9b07a55775a0483159b8"
@@ -2899,6 +3008,14 @@ jest-environment-jsdom@^22.4.1:
     jest-util "^22.4.1"
     jsdom "^11.5.1"
 
+jest-environment-jsdom@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-environment-jsdom/-/jest-environment-jsdom-22.4.3.tgz#d67daa4155e33516aecdd35afd82d4abf0fa8a1e"
+  dependencies:
+    jest-mock "^22.4.3"
+    jest-util "^22.4.3"
+    jsdom "^11.5.1"
+
 jest-environment-node@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.1.tgz#418850eb654596b8d6e36c2021cbedbc23df8e16"
@@ -2906,10 +3023,21 @@ jest-environment-node@^22.4.1:
     jest-mock "^22.2.0"
     jest-util "^22.4.1"
 
+jest-environment-node@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-environment-node/-/jest-environment-node-22.4.3.tgz#54c4eaa374c83dd52a9da8759be14ebe1d0b9129"
+  dependencies:
+    jest-mock "^22.4.3"
+    jest-util "^22.4.3"
+
 jest-get-type@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.1.0.tgz#4e90af298ed6181edc85d2da500dbd2753e0d5a9"
 
+jest-get-type@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-get-type/-/jest-get-type-22.4.3.tgz#e3a8504d8479342dd4420236b322869f18900ce4"
+
 jest-haste-map@^22.4.2:
   version "22.4.2"
   resolved "https://registry.yarnpkg.com/jest-haste-map/-/jest-haste-map-22.4.2.tgz#a90178e66146d4378bb076345a949071f3b015b4"
@@ -2938,6 +3066,22 @@ jest-jasmine2@^22.4.2:
     jest-util "^22.4.1"
     source-map-support "^0.5.0"
 
+jest-jasmine2@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-jasmine2/-/jest-jasmine2-22.4.3.tgz#4daf64cd14c793da9db34a7c7b8dcfe52a745965"
+  dependencies:
+    chalk "^2.0.1"
+    co "^4.6.0"
+    expect "^22.4.3"
+    graceful-fs "^4.1.11"
+    is-generator-fn "^1.0.0"
+    jest-diff "^22.4.3"
+    jest-matcher-utils "^22.4.3"
+    jest-message-util "^22.4.3"
+    jest-snapshot "^22.4.3"
+    jest-util "^22.4.3"
+    source-map-support "^0.5.0"
+
 jest-leak-detector@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-leak-detector/-/jest-leak-detector-22.4.0.tgz#64da77f05b001c96d2062226e079f89989c4aa2f"
@@ -2952,6 +3096,14 @@ jest-matcher-utils@^22.4.0:
     jest-get-type "^22.1.0"
     pretty-format "^22.4.0"
 
+jest-matcher-utils@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-matcher-utils/-/jest-matcher-utils-22.4.3.tgz#4632fe428ebc73ebc194d3c7b65d37b161f710ff"
+  dependencies:
+    chalk "^2.0.1"
+    jest-get-type "^22.4.3"
+    pretty-format "^22.4.3"
+
 jest-message-util@^22.4.0:
   version "22.4.0"
   resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.0.tgz#e3d861df16d2fee60cb2bc8feac2188a42579642"
@@ -2962,14 +3114,32 @@ jest-message-util@^22.4.0:
     slash "^1.0.0"
     stack-utils "^1.0.1"
 
+jest-message-util@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-message-util/-/jest-message-util-22.4.3.tgz#cf3d38aafe4befddbfc455e57d65d5239e399eb7"
+  dependencies:
+    "@babel/code-frame" "^7.0.0-beta.35"
+    chalk "^2.0.1"
+    micromatch "^2.3.11"
+    slash "^1.0.0"
+    stack-utils "^1.0.1"
+
 jest-mock@^22.2.0:
   version "22.2.0"
   resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.2.0.tgz#444b3f9488a7473adae09bc8a77294afded397a7"
 
+jest-mock@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-mock/-/jest-mock-22.4.3.tgz#f63ba2f07a1511772cdc7979733397df770aabc7"
+
 jest-regex-util@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.1.0.tgz#5daf2fe270074b6da63e5d85f1c9acc866768f53"
 
+jest-regex-util@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-regex-util/-/jest-regex-util-22.4.3.tgz#a826eb191cdf22502198c5401a1fc04de9cef5af"
+
 jest-resolve-dependencies@^22.1.0:
   version "22.1.0"
   resolved "https://registry.yarnpkg.com/jest-resolve-dependencies/-/jest-resolve-dependencies-22.1.0.tgz#340e4139fb13315cd43abc054e6c06136be51e31"
@@ -2983,6 +3153,13 @@ jest-resolve@^22.4.2:
     browser-resolve "^1.11.2"
     chalk "^2.0.1"
 
+jest-resolve@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-resolve/-/jest-resolve-22.4.3.tgz#0ce9d438c8438229aa9b916968ec6b05c1abb4ea"
+  dependencies:
+    browser-resolve "^1.11.2"
+    chalk "^2.0.1"
+
 jest-runner@^22.4.2:
   version "22.4.2"
   resolved "https://registry.yarnpkg.com/jest-runner/-/jest-runner-22.4.2.tgz#19390ea9d99f768973e16f95a1efa351c0017e87"
@@ -3039,6 +3216,17 @@ jest-snapshot@^22.4.0:
     natural-compare "^1.4.0"
     pretty-format "^22.4.0"
 
+jest-snapshot@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-snapshot/-/jest-snapshot-22.4.3.tgz#b5c9b42846ffb9faccb76b841315ba67887362d2"
+  dependencies:
+    chalk "^2.0.1"
+    jest-diff "^22.4.3"
+    jest-matcher-utils "^22.4.3"
+    mkdirp "^0.5.1"
+    natural-compare "^1.4.0"
+    pretty-format "^22.4.3"
+
 jest-util@^22.4.1:
   version "22.4.1"
   resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.1.tgz#dd17c3bdb067f8e90591563ec0c42bf847dc249f"
@@ -3051,6 +3239,18 @@ jest-util@^22.4.1:
     mkdirp "^0.5.1"
     source-map "^0.6.0"
 
+jest-util@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-util/-/jest-util-22.4.3.tgz#c70fec8eec487c37b10b0809dc064a7ecf6aafac"
+  dependencies:
+    callsites "^2.0.0"
+    chalk "^2.0.1"
+    graceful-fs "^4.1.11"
+    is-ci "^1.0.10"
+    jest-message-util "^22.4.3"
+    mkdirp "^0.5.1"
+    source-map "^0.6.0"
+
 jest-validate@^22.4.2:
   version "22.4.2"
   resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.2.tgz#e789a4e056173bf97fe797a2df2d52105c57d4f4"
@@ -3061,6 +3261,16 @@ jest-validate@^22.4.2:
     leven "^2.1.0"
     pretty-format "^22.4.0"
 
+jest-validate@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/jest-validate/-/jest-validate-22.4.3.tgz#0780954a5a7daaeec8d3c10834b9280865976b30"
+  dependencies:
+    chalk "^2.0.1"
+    jest-config "^22.4.3"
+    jest-get-type "^22.4.3"
+    leven "^2.1.0"
+    pretty-format "^22.4.3"
+
 jest-worker@^22.2.2:
   version "22.2.2"
   resolved "https://registry.yarnpkg.com/jest-worker/-/jest-worker-22.2.2.tgz#c1f5dc39976884b81f68ec50cb8532b2cbab3390"
@@ -3299,6 +3509,10 @@ lodash@4.17.5, lodash@^4.13.1, lodash@^4.14.0, lodash@^4.17.4, lodash@^4.2.1, lo
   version "4.17.5"
   resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.5.tgz#99a92d65c0272debe8c96b6057bc8fbfa3bed511"
 
+lodash@^4.17.10:
+  version "4.17.10"
+  resolved "https://registry.yarnpkg.com/lodash/-/lodash-4.17.10.tgz#1b7793cf7259ea38fb3661d4d38b3260af8ae4e7"
+
 log-symbols@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/log-symbols/-/log-symbols-2.2.0.tgz#5740e1c5d6f0dfda4ad9323b5332107ef6b4c40a"
@@ -4024,7 +4238,14 @@ pretty-format@22.4.0, pretty-format@^22.4.0:
     ansi-regex "^3.0.0"
     ansi-styles "^3.2.0"
 
-private@^0.1.6, private@^0.1.7:
+pretty-format@^22.4.3:
+  version "22.4.3"
+  resolved "https://registry.yarnpkg.com/pretty-format/-/pretty-format-22.4.3.tgz#f873d780839a9c02e9664c8a082e9ee79eaac16f"
+  dependencies:
+    ansi-regex "^3.0.0"
+    ansi-styles "^3.2.0"
+
+private@^0.1.6, private@^0.1.7, private@^0.1.8:
   version "0.1.8"
   resolved "https://registry.yarnpkg.com/private/-/private-0.1.8.tgz#2381edb3689f7a53d653190060fcf822d2f368ff"
 
@@ -4616,6 +4837,13 @@ source-map-support@^0.5.0:
   dependencies:
     source-map "^0.6.0"
 
+source-map-support@^0.5.5:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/source-map-support/-/source-map-support-0.5.5.tgz#0d4af9e00493e855402e8ec36ebed2d266fceb90"
+  dependencies:
+    buffer-from "^1.0.0"
+    source-map "^0.6.0"
+
 source-map-url@^0.4.0:
   version "0.4.0"
   resolved "https://registry.yarnpkg.com/source-map-url/-/source-map-url-0.4.0.tgz#3e935d7ddd73631b97659956d55128e87b5084a3"
@@ -4874,6 +5102,16 @@ test-exclude@^4.1.1:
     read-pkg-up "^1.0.1"
     require-main-filename "^1.0.1"
 
+test-exclude@^4.2.1:
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/test-exclude/-/test-exclude-4.2.1.tgz#dfa222f03480bca69207ca728b37d74b45f724fa"
+  dependencies:
+    arrify "^1.0.1"
+    micromatch "^3.1.8"
+    object-assign "^4.1.0"
+    read-pkg-up "^1.0.1"
+    require-main-filename "^1.0.1"
+
 text-extensions@^1.0.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/text-extensions/-/text-extensions-1.7.0.tgz#faaaba2625ed746d568a23e4d0aacd9bf08a8b39"
@@ -4972,18 +5210,20 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-ts-jest@22.4.2:
-  version "22.4.2"
-  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.4.2.tgz#2137bc0899b14dfb1d58257ee10b18ab8a2d92c5"
+ts-jest@22.4.6:
+  version "22.4.6"
+  resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-22.4.6.tgz#a5d7f5e8b809626d1f4143209d301287472ec344"
   dependencies:
-    babel-core "^6.26.0"
-    babel-plugin-istanbul "^4.1.4"
-    babel-plugin-transform-es2015-modules-commonjs "^6.26.0"
-    babel-preset-jest "^22.4.0"
+    babel-core "^6.26.3"
+    babel-plugin-istanbul "^4.1.6"
+    babel-plugin-transform-es2015-modules-commonjs "^6.26.2"
+    babel-preset-jest "^22.4.3"
     cpx "^1.5.0"
-    fs-extra "4.0.3"
-    jest-config "^22.4.2"
+    fs-extra "6.0.0"
+    jest-config "^22.4.3"
+    lodash "^4.17.10"
     pkg-dir "^2.0.0"
+    source-map-support "^0.5.5"
     yargs "^11.0.0"
 
 tslib@^1.8.0, tslib@^1.8.1: