Remove unnecessary type specifications

-------------
Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=179585680

javatests/google/registry/monitoring/metrics/CustomFitterTest.java

@@ -26,11 +26,11 @@ import org.junit.runners.JUnit4;
 /** Tests for {@link CustomFitter}. */
 @RunWith(JUnit4.class)
 public class CustomFitterTest {
+
   @Test
   public void testCreateCustomFitter_emptyBounds_throwsException() throws Exception {
     IllegalArgumentException thrown =
-        expectThrows(
-            IllegalArgumentException.class, () -> CustomFitter.create(ImmutableSet.<Double>of()));
+        expectThrows(IllegalArgumentException.class, () -> CustomFitter.create(ImmutableSet.of()));
     assertThat(thrown).hasMessageThat().contains("boundaries must not be empty");
   }
 
@@ -45,7 +45,6 @@ public class CustomFitterTest {
   @Test
   public void testCreateCustomFitter_hasGivenBounds() {
     CustomFitter fitter = CustomFitter.create(ImmutableSortedSet.of(1.0, 2.0));
-
     assertThat(fitter.boundaries()).containsExactly(1.0, 2.0).inOrder();
   }
 }

javatests/google/registry/monitoring/metrics/MetricReporterTest.java

@@ -43,20 +43,19 @@ public class MetricReporterTest {
 
   @Test
   public void testRunOneIteration_enqueuesBatch() throws Exception {
-    Metric<?> metric =
-        new Counter("/name", "description", "vdn", ImmutableSet.<LabelDescriptor>of());
+    Metric<?> metric = new Counter("/name", "description", "vdn", ImmutableSet.of());
     when(registry.getRegisteredMetrics()).thenReturn(ImmutableList.of(metric, metric));
     MetricReporter reporter = new MetricReporter(writer, 10L, threadFactory, registry, writeQueue);
 
     reporter.runOneIteration();
 
-    verify(writeQueue).offer(Optional.of(ImmutableList.<MetricPoint<?>>of()));
+    verify(writeQueue).offer(Optional.of(ImmutableList.of()));
   }
 
   @Test
   public void testShutDown_enqueuesBatchAndPoisonPill() throws Exception {
     // Set up a registry with no metrics.
-    when(registry.getRegisteredMetrics()).thenReturn(ImmutableList.<Metric<?>>of());
+    when(registry.getRegisteredMetrics()).thenReturn(ImmutableList.of());
     MetricReporter reporter =
         spy(new MetricReporter(writer, 10L, threadFactory, registry, writeQueue));
 
@@ -64,7 +63,7 @@ public class MetricReporterTest {
 
     verify(reporter).runOneIteration();
     InOrder interactions = Mockito.inOrder(writeQueue);
-    interactions.verify(writeQueue).offer(Optional.of(ImmutableList.<MetricPoint<?>>of()));
-    interactions.verify(writeQueue).offer(Optional.<ImmutableList<MetricPoint<?>>>empty());
+    interactions.verify(writeQueue).offer(Optional.of(ImmutableList.of()));
+    interactions.verify(writeQueue).offer(Optional.empty());
   }
 }

javatests/google/registry/monitoring/metrics/MetricSchemaTest.java

@@ -38,7 +38,7 @@ public class MetricSchemaTest {
                     "description",
                     "valueDisplayName",
                     Kind.GAUGE,
-                    ImmutableSet.<LabelDescriptor>of()));
+                    ImmutableSet.of()));
     assertThat(thrown).hasMessageThat().contains("Name must not be blank");
   }
 
@@ -49,11 +49,7 @@ public class MetricSchemaTest {
             IllegalArgumentException.class,
             () ->
                 MetricSchema.create(
-                    "/name",
-                    "",
-                    "valueDisplayName",
-                    Kind.GAUGE,
-                    ImmutableSet.<LabelDescriptor>of()));
+                    "/name", "", "valueDisplayName", Kind.GAUGE, ImmutableSet.of()));
     assertThat(thrown).hasMessageThat().contains("Description must not be blank");
   }
 
@@ -62,9 +58,7 @@ public class MetricSchemaTest {
     IllegalArgumentException thrown =
         expectThrows(
             IllegalArgumentException.class,
-            () ->
-                MetricSchema.create(
-                    "/name", "description", "", Kind.GAUGE, ImmutableSet.<LabelDescriptor>of()));
+            () -> MetricSchema.create("/name", "description", "", Kind.GAUGE, ImmutableSet.of()));
     assertThat(thrown).hasMessageThat().contains("Value Display Name must not be empty");
   }
 
@@ -75,11 +69,7 @@ public class MetricSchemaTest {
             IllegalArgumentException.class,
             () ->
                 MetricSchema.create(
-                    "foo",
-                    "description",
-                    "valueDisplayName",
-                    Kind.GAUGE,
-                    ImmutableSet.<LabelDescriptor>of()));
+                    "foo", "description", "valueDisplayName", Kind.GAUGE, ImmutableSet.of()));
     assertThat(thrown).hasMessageThat().contains("Name must be URL-like and start with a '/'");
   }
 }

javatests/google/registry/monitoring/metrics/StoredMetricTest.java

@@ -31,8 +31,7 @@ public class StoredMetricTest {
   @Test
   public void testGetCardinality_reflectsCurrentCardinality() {
     StoredMetric<Boolean> smallMetric =
-        new StoredMetric<>(
-            "/metric", "description", "vdn", ImmutableSet.<LabelDescriptor>of(), Boolean.class);
+        new StoredMetric<>("/metric", "description", "vdn", ImmutableSet.of(), Boolean.class);
     assertThat(smallMetric.getCardinality()).isEqualTo(0);
 
     smallMetric.set(true);

javatests/google/registry/monitoring/metrics/example/SheepCounterExample.java

@@ -113,7 +113,7 @@ public final class SheepCounterExample {
               "/is_sleeping",
               "Tracks sleep state.",
               "Sleeping?",
-              ImmutableSet.<LabelDescriptor>of(),
+              ImmutableSet.of(),
               Boolean.class);
 
   /**
@@ -128,8 +128,8 @@ public final class SheepCounterExample {
               "/sleep_quality",
               "Quality of the sleep.",
               "Quality",
-              ImmutableSet.<LabelDescriptor>of(),
-              () -> ImmutableMap.of(ImmutableList.<String>of(), new Random().nextDouble()),
+              ImmutableSet.of(),
+              () -> ImmutableMap.of(ImmutableList.of(), new Random().nextDouble()),
               Double.class);
 
   /**