Suppress warnings for some safe operations (#4371)

Author: trask

agent/agent-gc-monitor/gc-monitor-api/src/main/java/com/microsoft/gcmonitor/MemoryManagers.java

@@ -41,6 +41,7 @@ public static MemoryManagers of(MemoryManagement manager) {
         "Unable to find garbage collector group for the memory manager");
   }
 
+  @SafeVarargs
   MemoryManagers(Class<? extends GarbageCollector>... allCollectors) {
     this.managers = allCollectors;
   }

smoke-tests/framework/src/main/java/com/microsoft/applicationinsights/smoketest/SmokeTestExtension.java

@@ -578,7 +578,9 @@ public void afterAll(ExtensionContext context) throws Exception {
 
   @SuppressWarnings("TypeParameterUnusedInFormals")
   protected static <T extends Domain> T getBaseData(Envelope envelope) {
-    return ((Data<T>) envelope.getData()).getBaseData();
+    @SuppressWarnings("unchecked")
+    Data<T> data = (Data<T>) envelope.getData();
+    return data.getBaseData();
   }
 
   @SuppressWarnings("TypeParameterUnusedInFormals")

smoke-tests/framework/src/main/java/com/microsoft/applicationinsights/smoketest/fakeingestion/JsonHelper.java

@@ -43,6 +43,7 @@ private static class BaseDataContractDeserializer implements JsonDeserializer<Ba
 
     public BaseDataContractDeserializer() {
       classMap = new HashMap<>();
+      @SuppressWarnings("unchecked")
       Class<? extends Domain>[] classes =
           new Class[] {
             RequestData.class,

smoke-tests/framework/src/main/java/com/microsoft/applicationinsights/smoketest/fakeingestion/MockedAppInsightsIngestionServer.java

@@ -99,6 +99,7 @@ private <T extends Domain> List<T> getTelemetryDataByType(String type, boolean i
     List<T> dataItems = new ArrayList<>();
     for (Envelope e : items) {
       if (!inRequestOnly || e.getTags().containsKey("ai.operation.id")) {
+        @SuppressWarnings("unchecked")
         Data<T> dt = (Data<T>) e.getData();
         dataItems.add(dt.getBaseData());
       }
@@ -116,6 +117,7 @@ public <T extends Domain> List<T> getMessageDataInRequest(int numItems)
         waitForItems("MessageData", e -> e.getTags().containsKey("ai.operation.id"), numItems);
     List<T> dataItems = new ArrayList<>();
     for (Envelope e : items) {
+      @SuppressWarnings("unchecked")
       Data<T> dt = (Data<T>) e.getData();
       dataItems.add(dt.getBaseData());
     }
@@ -124,6 +126,7 @@ public <T extends Domain> List<T> getMessageDataInRequest(int numItems)
 
   @SuppressWarnings("TypeParameterUnusedInFormals")
   public <T extends Domain> T getBaseDataForType(int index, String type) {
+    @SuppressWarnings("unchecked")
     Data<T> data = (Data<T>) getItemsEnvelopeDataType(type).get(index).getData();
     return data.getBaseData();
   }