chore: update jsii to 0.20.0 (aws#4780)

* chore: update jsii to 0.20.0

* New internal jsii interface

package.json

@@ -16,7 +16,7 @@
     "conventional-changelog-cli": "^2.0.25",
     "fs-extra": "^8.1.0",
     "jest": "^24.9.0",
-    "jsii-diff": "^0.19.0",
+    "jsii-diff": "^0.20.0",
     "lerna": "^3.18.3",
     "nodeunit": "^0.11.3",
     "nyc": "^14.1.1",

packages/decdk/lib/jsii2schema.ts

@@ -433,7 +433,7 @@ export function isDataType(t: jsiiReflect.Type | undefined): t is jsiiReflect.In
   if (!t) {
     return false;
   }
-  return t instanceof jsiiReflect.InterfaceType && (t as any).interfaceSpec.datatype;
+  return t instanceof jsiiReflect.InterfaceType && (t as any).spec.datatype;
 }
 
 // Must only have properties, all of which are scalars,

packages/decdk/package.json

@@ -152,7 +152,7 @@
     "@aws-cdk/cx-api": "1.15.0",
     "@aws-cdk/region-info": "1.15.0",
     "fs-extra": "^8.1.0",
-    "jsii-reflect": "^0.19.0",
+    "jsii-reflect": "^0.20.0",
     "jsonschema": "^1.2.4",
     "yaml": "1.7.2",
     "yargs": "^14.2.0"
@@ -163,7 +163,7 @@
     "@types/yaml": "1.2.0",
     "@types/yargs": "^13.0.3",
     "jest": "^24.9.0",
-    "jsii": "^0.19.0"
+    "jsii": "^0.20.0"
   },
   "keywords": [
     "aws",

tools/awslint/package.json

@@ -19,8 +19,8 @@
     "camelcase": "^5.3.1",
     "colors": "^1.4.0",
     "fs-extra": "^8.1.0",
-    "jsii-reflect": "^0.19.0",
-    "jsii-spec": "^0.19.0",
+    "jsii-reflect": "^0.20.0",
+    "jsii-spec": "^0.20.0",
     "yargs": "^14.2.0"
   },
   "devDependencies": {

tools/cdk-build-tools/package.json

@@ -40,8 +40,8 @@
     "colors": "^1.4.0",
     "fs-extra": "^8.1.0",
     "jest": "^24.9.0",
-    "jsii": "^0.19.0",
-    "jsii-pacmak": "^0.19.0",
+    "jsii": "^0.20.0",
+    "jsii-pacmak": "^0.20.0",
     "nodeunit": "^0.11.3",
     "nyc": "^14.1.1",
     "ts-jest": "^24.1.0",