diff --git a/packages/opentelemetry-basic-tracer/package.json b/packages/opentelemetry-basic-tracer/package.json
index 4134926dac3..3289aee070c 100644
--- a/packages/opentelemetry-basic-tracer/package.json
+++ b/packages/opentelemetry-basic-tracer/package.json
@@ -45,6 +45,7 @@
     "mocha": "^6.1.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",
     "typescript": "^3.4.5"
diff --git a/packages/opentelemetry-basic-tracer/src/export/ExportResult.ts b/packages/opentelemetry-basic-tracer/src/export/ExportResult.ts
index 7f0979bada1..3f94eddd57b 100644
--- a/packages/opentelemetry-basic-tracer/src/export/ExportResult.ts
+++ b/packages/opentelemetry-basic-tracer/src/export/ExportResult.ts
@@ -15,7 +15,7 @@
  */
 
 export enum ExportResult {
-  Success,
-  FailedNotRetryable,
-  FailedRetryable,
+  SUCCESS,
+  FAILED_NOT_RETRYABLE,
+  FAILED_RETRYABLE,
 }
diff --git a/packages/opentelemetry-basic-tracer/src/export/InMemorySpanExporter.ts b/packages/opentelemetry-basic-tracer/src/export/InMemorySpanExporter.ts
index adfcf3f77c6..1a8f8c5aee9 100644
--- a/packages/opentelemetry-basic-tracer/src/export/InMemorySpanExporter.ts
+++ b/packages/opentelemetry-basic-tracer/src/export/InMemorySpanExporter.ts
@@ -31,9 +31,9 @@ export class InMemorySpanExporter implements SpanExporter {
     spans: ReadableSpan[],
     resultCallback: (result: ExportResult) => void
   ): void {
-    if (this._stopped) return resultCallback(ExportResult.FailedNotRetryable);
+    if (this._stopped) return resultCallback(ExportResult.FAILED_NOT_RETRYABLE);
     this._finishedSpans.push(...spans);
-    return resultCallback(ExportResult.Success);
+    return resultCallback(ExportResult.SUCCESS);
   }
 
   shutdown(): void {
diff --git a/packages/opentelemetry-basic-tracer/test/export/InMemorySpanExporter.test.ts b/packages/opentelemetry-basic-tracer/test/export/InMemorySpanExporter.test.ts
index 910b63234b7..456f617d523 100644
--- a/packages/opentelemetry-basic-tracer/test/export/InMemorySpanExporter.test.ts
+++ b/packages/opentelemetry-basic-tracer/test/export/InMemorySpanExporter.test.ts
@@ -71,7 +71,7 @@ describe('InMemorySpanExporter', () => {
   it('should return the success result', () => {
     const exorter = new InMemorySpanExporter();
     exorter.export([], (result: ExportResult) => {
-      assert.strictEqual(result, ExportResult.Success);
+      assert.strictEqual(result, ExportResult.SUCCESS);
     });
   });
 
@@ -81,7 +81,7 @@ describe('InMemorySpanExporter', () => {
 
     // after shutdown export should fail
     exorter.export([], (result: ExportResult) => {
-      assert.strictEqual(result, ExportResult.FailedNotRetryable);
+      assert.strictEqual(result, ExportResult.FAILED_NOT_RETRYABLE);
     });
   });
 });
diff --git a/packages/opentelemetry-basic-tracer/tslint.json b/packages/opentelemetry-basic-tracer/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-basic-tracer/tslint.json
+++ b/packages/opentelemetry-basic-tracer/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-core/package.json b/packages/opentelemetry-core/package.json
index 3cec22a7288..1fb7089a0fa 100644
--- a/packages/opentelemetry-core/package.json
+++ b/packages/opentelemetry-core/package.json
@@ -57,6 +57,7 @@
     "mocha": "^6.1.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-loader": "^6.0.4",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",
diff --git a/packages/opentelemetry-core/src/trace/TracerDelegate.ts b/packages/opentelemetry-core/src/trace/TracerDelegate.ts
index cafc0e3df4c..625d20106e2 100644
--- a/packages/opentelemetry-core/src/trace/TracerDelegate.ts
+++ b/packages/opentelemetry-core/src/trace/TracerDelegate.ts
@@ -29,20 +29,20 @@ export class TracerDelegate implements types.Tracer {
   // Wrap a tracer with a TracerDelegate. Provided tracer becomes the default
   // fallback tracer for when a global tracer has not been initialized
   constructor(
-    private readonly tracer: types.Tracer | null = null,
-    private readonly fallbackTracer: types.Tracer = new NoopTracer()
+    private readonly _tracer: types.Tracer | null = null,
+    private readonly _fallbackTracer: types.Tracer = new NoopTracer()
   ) {
-    this._currentTracer = tracer || fallbackTracer; // equivalent to this.start()
+    this._currentTracer = _tracer || _fallbackTracer; // equivalent to this.start()
   }
 
   // Begin using the user provided tracer. Stop always falling back to fallback tracer
   start(): void {
-    this._currentTracer = this.tracer || this.fallbackTracer;
+    this._currentTracer = this._tracer || this._fallbackTracer;
   }
 
   // Stop the delegate from using the provided tracer. Begin to use the fallback tracer
   stop(): void {
-    this._currentTracer = this.fallbackTracer;
+    this._currentTracer = this._fallbackTracer;
   }
 
   // -- Tracer interface implementation below -- //
diff --git a/packages/opentelemetry-core/tslint.json b/packages/opentelemetry-core/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-core/tslint.json
+++ b/packages/opentelemetry-core/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-exporter-jaeger/package.json b/packages/opentelemetry-exporter-jaeger/package.json
index 5d40b0ff5cd..4f3100a78eb 100644
--- a/packages/opentelemetry-exporter-jaeger/package.json
+++ b/packages/opentelemetry-exporter-jaeger/package.json
@@ -43,6 +43,7 @@
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-exporter-jaeger/src/jaeger.ts b/packages/opentelemetry-exporter-jaeger/src/jaeger.ts
index 9f7eccc9258..55b28ba23ed 100644
--- a/packages/opentelemetry-exporter-jaeger/src/jaeger.ts
+++ b/packages/opentelemetry-exporter-jaeger/src/jaeger.ts
@@ -69,13 +69,13 @@ export class JaegerExporter implements SpanExporter {
         if (err) {
           // @todo: decide whether to break out the loop on first error.
           this._logger.error(`failed to append span: ${err}`);
-          if (done) return done(ExportResult.FailedNotRetryable);
+          if (done) return done(ExportResult.FAILED_NOT_RETRYABLE);
         }
       });
     }
     // @todo: We should wait for all the callbacks of the append calls to
     // complete before it calls done with success.
     this._logger.debug('successful append for : %s', thriftSpan.length);
-    if (done) return done(ExportResult.Success);
+    if (done) return done(ExportResult.SUCCESS);
   }
 }
diff --git a/packages/opentelemetry-exporter-jaeger/test/jaeger.test.ts b/packages/opentelemetry-exporter-jaeger/test/jaeger.test.ts
index 9f48d6e8a15..d295690ce34 100644
--- a/packages/opentelemetry-exporter-jaeger/test/jaeger.test.ts
+++ b/packages/opentelemetry-exporter-jaeger/test/jaeger.test.ts
@@ -66,7 +66,7 @@ describe('JaegerExporter', () => {
 
     it('should skip send with empty list', () => {
       exporter.export([], (result: ExportResult) => {
-        assert.strictEqual(result, ExportResult.Success);
+        assert.strictEqual(result, ExportResult.SUCCESS);
       });
     });
 
@@ -90,7 +90,7 @@ describe('JaegerExporter', () => {
       };
 
       exporter.export([readableSpan], (result: ExportResult) => {
-        assert.strictEqual(result, ExportResult.Success);
+        assert.strictEqual(result, ExportResult.SUCCESS);
       });
     });
   });
diff --git a/packages/opentelemetry-exporter-jaeger/tslint.json b/packages/opentelemetry-exporter-jaeger/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-exporter-jaeger/tslint.json
+++ b/packages/opentelemetry-exporter-jaeger/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-exporter-zipkin/package.json b/packages/opentelemetry-exporter-zipkin/package.json
index bb9000638f5..610acda1796 100644
--- a/packages/opentelemetry-exporter-zipkin/package.json
+++ b/packages/opentelemetry-exporter-zipkin/package.json
@@ -41,6 +41,7 @@
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-exporter-zipkin/tslint.json b/packages/opentelemetry-exporter-zipkin/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-exporter-zipkin/tslint.json
+++ b/packages/opentelemetry-exporter-zipkin/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-node-tracer/package.json b/packages/opentelemetry-node-tracer/package.json
index a7f79446270..92f439d916b 100644
--- a/packages/opentelemetry-node-tracer/package.json
+++ b/packages/opentelemetry-node-tracer/package.json
@@ -48,6 +48,7 @@
     "nyc": "^14.1.1",
     "shimmer": "^1.2.0",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",
     "typescript": "^3.4.5"
diff --git a/packages/opentelemetry-node-tracer/tslint.json b/packages/opentelemetry-node-tracer/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-node-tracer/tslint.json
+++ b/packages/opentelemetry-node-tracer/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-plugin-grpc/package.json b/packages/opentelemetry-plugin-grpc/package.json
index 00cd6f2c22f..e6a6d24a51f 100644
--- a/packages/opentelemetry-plugin-grpc/package.json
+++ b/packages/opentelemetry-plugin-grpc/package.json
@@ -47,6 +47,7 @@
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-plugin-grpc/src/grpc.ts b/packages/opentelemetry-plugin-grpc/src/grpc.ts
index 95a821aef05..266be7b67d8 100644
--- a/packages/opentelemetry-plugin-grpc/src/grpc.ts
+++ b/packages/opentelemetry-plugin-grpc/src/grpc.ts
@@ -65,8 +65,8 @@ export class GrpcPlugin extends BasePlugin<grpc> {
   // TODO: Delete if moving internal file loaders to BasePlugin
   // --- Note: Incorrectly ordered: Begin internal file loader --- //
   // tslint:disable-next-line:no-any
-  protected internalFilesExports: { [key: string]: any } | undefined;
-  protected readonly internalFileList: ModuleExportsMapping = {
+  protected _internalFilesExports: { [key: string]: any } | undefined;
+  protected readonly _internalFileList: ModuleExportsMapping = {
     '0.13 - 1.6': { client: 'src/node/src/client.js' },
     '^1.7': { client: 'src/client.js' },
   };
@@ -76,9 +76,9 @@ export class GrpcPlugin extends BasePlugin<grpc> {
    */
   private _loadInternalFiles(): ModuleExportsMapping {
     let result: ModuleExportsMapping = {};
-    if (this.internalFileList) {
-      this._logger.debug('loadInternalFiles %o', this.internalFileList);
-      Object.keys(this.internalFileList).forEach(versionRange => {
+    if (this._internalFileList) {
+      this._logger.debug('loadInternalFiles %o', this._internalFileList);
+      Object.keys(this._internalFileList).forEach(versionRange => {
         if (semver.satisfies(this.version, versionRange)) {
           if (result) {
             this._logger.warn(
@@ -86,11 +86,11 @@ export class GrpcPlugin extends BasePlugin<grpc> {
               this.moduleName,
               this.version,
               versionRange,
-              this.internalFileList
+              this._internalFileList
             );
           }
           result = this._loadInternalModuleFiles(
-            this.internalFileList[versionRange],
+            this._internalFileList[versionRange],
             basedir
           );
         }
@@ -137,8 +137,8 @@ export class GrpcPlugin extends BasePlugin<grpc> {
   // --- End of internal file loader stuff --- //
 
   protected patch(): typeof grpcModule {
-    if (!this.internalFilesExports) {
-      this.internalFilesExports = this._loadInternalFiles();
+    if (!this._internalFilesExports) {
+      this._internalFilesExports = this._loadInternalFiles();
     }
     this._logger.debug(
       'applying patch to %s@%s',
@@ -155,8 +155,8 @@ export class GrpcPlugin extends BasePlugin<grpc> {
       );
     }
 
-    if (this.internalFilesExports && this.internalFilesExports['client']) {
-      grpcClientModule = this.internalFilesExports['client'];
+    if (this._internalFilesExports && this._internalFilesExports['client']) {
+      grpcClientModule = this._internalFilesExports['client'];
 
       shimmer.wrap(
         grpcClientModule,
diff --git a/packages/opentelemetry-plugin-grpc/tslint.json b/packages/opentelemetry-plugin-grpc/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-plugin-grpc/tslint.json
+++ b/packages/opentelemetry-plugin-grpc/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-plugin-http/package.json b/packages/opentelemetry-plugin-http/package.json
index 19b13b494b3..fff71c80400 100644
--- a/packages/opentelemetry-plugin-http/package.json
+++ b/packages/opentelemetry-plugin-http/package.json
@@ -61,6 +61,7 @@
     "nyc": "^14.1.1",
     "sinon": "^7.3.2",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-plugin-http/tslint.json b/packages/opentelemetry-plugin-http/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-plugin-http/tslint.json
+++ b/packages/opentelemetry-plugin-http/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-plugin-http2/package.json b/packages/opentelemetry-plugin-http2/package.json
index 1f3f025a4ab..384314c3246 100644
--- a/packages/opentelemetry-plugin-http2/package.json
+++ b/packages/opentelemetry-plugin-http2/package.json
@@ -45,6 +45,7 @@
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-plugin-http2/tslint.json b/packages/opentelemetry-plugin-http2/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-plugin-http2/tslint.json
+++ b/packages/opentelemetry-plugin-http2/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-plugin-https/package.json b/packages/opentelemetry-plugin-https/package.json
index dc8c027e1c7..83d31389ced 100644
--- a/packages/opentelemetry-plugin-https/package.json
+++ b/packages/opentelemetry-plugin-https/package.json
@@ -45,6 +45,7 @@
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-plugin-https/tslint.json b/packages/opentelemetry-plugin-https/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-plugin-https/tslint.json
+++ b/packages/opentelemetry-plugin-https/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-plugin-mongodb/package.json b/packages/opentelemetry-plugin-mongodb/package.json
index 9e92e351067..1776e802bf4 100644
--- a/packages/opentelemetry-plugin-mongodb/package.json
+++ b/packages/opentelemetry-plugin-mongodb/package.json
@@ -45,6 +45,7 @@
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-plugin-mongodb/tslint.json b/packages/opentelemetry-plugin-mongodb/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-plugin-mongodb/tslint.json
+++ b/packages/opentelemetry-plugin-mongodb/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-plugin-redis/package.json b/packages/opentelemetry-plugin-redis/package.json
index f0ac2125b41..066a63a5147 100644
--- a/packages/opentelemetry-plugin-redis/package.json
+++ b/packages/opentelemetry-plugin-redis/package.json
@@ -45,6 +45,7 @@
     "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.3.0",
     "typescript": "^3.5.3"
diff --git a/packages/opentelemetry-plugin-redis/tslint.json b/packages/opentelemetry-plugin-redis/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-plugin-redis/tslint.json
+++ b/packages/opentelemetry-plugin-redis/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-scope-async-hooks/package.json b/packages/opentelemetry-scope-async-hooks/package.json
index ee0f52577a6..a0dc1fb21c4 100644
--- a/packages/opentelemetry-scope-async-hooks/package.json
+++ b/packages/opentelemetry-scope-async-hooks/package.json
@@ -46,6 +46,7 @@
     "mocha": "^6.1.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",
     "typescript": "^3.4.5"
diff --git a/packages/opentelemetry-scope-async-hooks/tslint.json b/packages/opentelemetry-scope-async-hooks/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-scope-async-hooks/tslint.json
+++ b/packages/opentelemetry-scope-async-hooks/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-scope-base/package.json b/packages/opentelemetry-scope-base/package.json
index a28d9cca47d..e68d6fee1f2 100644
--- a/packages/opentelemetry-scope-base/package.json
+++ b/packages/opentelemetry-scope-base/package.json
@@ -45,6 +45,7 @@
     "mocha": "^6.1.0",
     "nyc": "^14.1.1",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "ts-mocha": "^6.0.0",
     "ts-node": "^8.0.0",
     "typescript": "^3.4.5"
diff --git a/packages/opentelemetry-scope-base/tslint.json b/packages/opentelemetry-scope-base/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-scope-base/tslint.json
+++ b/packages/opentelemetry-scope-base/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/packages/opentelemetry-types/package.json b/packages/opentelemetry-types/package.json
index c9871f290ae..daa62b1c4fa 100644
--- a/packages/opentelemetry-types/package.json
+++ b/packages/opentelemetry-types/package.json
@@ -42,6 +42,7 @@
     "gts": "^1.0.0",
     "linkinator": "^1.5.0",
     "tslint-microsoft-contrib": "^6.2.0",
+    "tslint-consistent-codestyle":"^1.15.1",
     "typedoc": "^0.14.2",
     "typescript": "^3.4.5"
   }
diff --git a/packages/opentelemetry-types/tslint.json b/packages/opentelemetry-types/tslint.json
index e882e364523..0710b135d07 100644
--- a/packages/opentelemetry-types/tslint.json
+++ b/packages/opentelemetry-types/tslint.json
@@ -1,4 +1,4 @@
 {
   "rulesDirectory": ["node_modules/tslint-microsoft-contrib"],
-  "extends": "../../tslint.base.js"
+  "extends": ["../../tslint.base.js", "./node_modules/tslint-consistent-codestyle"]
 }
diff --git a/tslint.base.js b/tslint.base.js
index b281626b28a..32bfefc220e 100644
--- a/tslint.base.js
+++ b/tslint.base.js
@@ -33,13 +33,13 @@ See the License for the specific language governing permissions and
 limitations under the License.`;
 
 const fileHeaderRegexStr =
-    fileHeaderTemplate
-        .replace(/[\\\/^$.*+?()[\]{}|]/g, '\\$&')  // Escape regex
-        .replace(/\n/g, '\n \\* ?')  // Per line space+asterisk, optional space
-        .replace('YEAR_PLACEHOLDER', '2\\d{3}');
+  fileHeaderTemplate
+    .replace(/[\\\/^$.*+?()[\]{}|]/g, '\\$&')  // Escape regex
+    .replace(/\n/g, '\n \\* ?')  // Per line space+asterisk, optional space
+    .replace('YEAR_PLACEHOLDER', '2\\d{3}');
 
 const fileHeaderDefault =
-    fileHeaderTemplate.replace('YEAR_PLACEHOLDER', new Date().getFullYear());
+  fileHeaderTemplate.replace('YEAR_PLACEHOLDER', new Date().getFullYear());
 
 const rules = {
   'file-header': [
@@ -50,6 +50,11 @@ const rules = {
       'default': fileHeaderDefault,
     },
   ],
+  'naming-convention': [true,
+    { 'type': 'property', 'modifiers': 'protected', 'leadingUnderscore': 'require' },
+    { 'type': 'member', 'modifiers': 'private', 'leadingUnderscore': 'require' },
+    { 'type': 'enumMember', 'format': 'UPPER_CASE' },
+  ]
 };
 
 module.exports = {