Work around api-extractor import bug

Author: jakebailey

Diff for: src/api-extractor-base.json

@@ -263,7 +263,7 @@
        * SUPPORTED TOKENS: <projectFolder>, <packageName>, <unscopedPackageName>
        * DEFAULT VALUE: ""
        */
-      "publicTrimmedFilePath": ""
+      "publicTrimmedFilePath": "",
 
       /**
        * When a declaration is trimmed, by default it will be replaced by a code comment such as
@@ -272,7 +272,7 @@
        *
        * DEFAULT VALUE: false
        */
-      // "omitTrimmingComments": true
+      "omitTrimmingComments": true
     },
 
     /**

Diff for: src/compiler/perfLogger.ts

@@ -1,6 +1,38 @@
 import { noop } from "./_namespaces/ts";
 
-type PerfLogger = typeof import("@microsoft/typescript-etw");
+/** @internal */
+interface PerfLogger {
+    logEvent(msg: string): void;
+    logErrEvent(msg: string): void;
+    logPerfEvent(msg: string): void;
+    logInfoEvent(msg: string): void;
+    logStartCommand(command: string, msg: string): void;
+    logStopCommand(command: string, msg: string): void;
+    logStartUpdateProgram(msg: string): void;
+    logStopUpdateProgram(msg: string): void;
+    logStartUpdateGraph(): void;
+    logStopUpdateGraph(): void;
+    logStartResolveModule(name: string): void;
+    logStopResolveModule(success: string): void;
+    logStartParseSourceFile(filename: string): void;
+    logStopParseSourceFile(): void;
+    logStartReadFile(filename: string): void;
+    logStopReadFile(): void;
+    logStartBindFile(filename: string): void;
+    logStopBindFile(): void;
+    logStartScheduledOperation(operationId: string): void;
+    logStopScheduledOperation(): void;
+}
+
+type ImportedPerfLogger = typeof import("@microsoft/typescript-etw");
+
+// Assert that our PerfLogger type is the same as the import.
+// TODO(jakebailey): remove this workaround for an api-extractor bug.
+const _perfLoggerCorrectType: PerfLogger extends ImportedPerfLogger ? ImportedPerfLogger extends PerfLogger ? true : false : false = true;
+
+// eslint-disable-next-line @typescript-eslint/no-unused-expressions
+_perfLoggerCorrectType;
+
 const nullLogger: PerfLogger = {
     logEvent: noop,
     logErrEvent: noop,