Traces and triggers

package-lock.json

@@ -70,6 +70,11 @@
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       "integrity": "sha512-UKMD/UOpF1uRl29nlwvwQqSMBqsl+uDWYlGx82wIYbIBJkeqPrSo1Ez1rGi9jc1CL7/XwUr7u+l/kTwZAEkrEg=="
     },
+    "argparse": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-2.0.1.tgz",
+      "integrity": "sha512-8+9WqebbFzpX9OR+Wa6O29asIogeRMzcGtAINdpMHHyAg10f05aSFVBbcEqGf/PXw1EjAZ+q2/bEBg3DvurK3Q=="
+    },
     "async": {
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
@@ -238,6 +243,14 @@
       "integrity": "sha1-Mlj7afeMFNW4FdZkM2tM/7ZEFZE=",
       "dev": true
     },
+    "js-yaml": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-4.0.0.tgz",
+      "integrity": "sha512-pqon0s+4ScYUvX30wxQi3PogGFAlUyH0awepWvwkj4jD4v+ova3RiYw8bmA6x2rDrEaj8i/oWKoRxpVNW+Re8Q==",
+      "requires": {
+        "argparse": "^2.0.1"
+      }
+    },
     "lit-element": {
       "version": "2.3.1",
       "resolved": "https://registry.npmjs.org/lit-element/-/lit-element-2.3.1.tgz",