Resolve MissingOverride warnings from Error Prone

implementations/micrometer-registry-elastic/src/main/java/io/micrometer/elastic/ElasticConfig.java

@@ -44,13 +44,15 @@ public interface ElasticConfig extends StepRegistryConfig {
      * @param key Key to look up in the config.
      * @return Value for the key or null if no key is present.
      */
+    @Override
     @Nullable
     String get(String key);
 
     /**
      * Property prefix to prepend to configuration names.
      * @return property prefix
      */
+    @Override
     default String prefix() {
         return "elastic";
     }

implementations/micrometer-registry-ganglia/src/main/java/io/micrometer/ganglia/GangliaConfig.java

@@ -42,12 +42,14 @@ public interface GangliaConfig extends StepRegistryConfig {
      * @param key Key to lookup in the config.
      * @return Value for the key or null if no key is present.
      */
+    @Override
     @Nullable
     String get(String key);
 
     /**
      * @return Property prefix to prepend to configuration names.
      */
+    @Override
     default String prefix() {
         return "ganglia";
     }
@@ -98,6 +100,7 @@ default int port() {
     /**
      * @return {@code true} if publishing is enabled. Default is {@code true}.
      */
+    @Override
     default boolean enabled() {
         return getBoolean(this, "enabled").orElse(true);
     }

implementations/micrometer-registry-graphite/src/main/java/io/micrometer/graphite/GraphiteConfig.java

@@ -41,12 +41,14 @@ public interface GraphiteConfig extends DropwizardConfig {
      * @param key Key to lookup in the config.
      * @return Value for the key or null if no key is present.
      */
+    @Override
     @Nullable
     String get(String key);
 
     /**
      * @return Property prefix to prepend to configuration names.
      */
+    @Override
     default String prefix() {
         return "graphite";
     }

implementations/micrometer-registry-health/src/main/java/io/micrometer/health/ServiceLevelObjective.java

@@ -481,6 +481,7 @@ static class Instant extends NumericQuery {
                 this.toValue = toValue;
             }
 
+            @Override
             protected Double getValue(MeterRegistry registry) {
                 return toValue.apply(search.apply(Search.in(registry)));
             }

implementations/micrometer-registry-kairos/src/main/java/io/micrometer/kairos/KairosConfig.java

@@ -41,6 +41,7 @@ public interface KairosConfig extends StepRegistryConfig {
      * Property prefix to prepend to configuration names.
      * @return property prefix
      */
+    @Override
     default String prefix() {
         return "kairos";
     }

implementations/micrometer-registry-opentsdb/src/main/java/io/micrometer/opentsdb/OpenTSDBConfig.java

@@ -39,6 +39,7 @@ public interface OpenTSDBConfig extends PushRegistryConfig {
      * Property prefix to prepend to configuration names.
      * @return property prefix
      */
+    @Override
     default String prefix() {
         return "opentsdb";
     }

implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OtlpCumulativeMeterRegistryTest.java

@@ -45,6 +45,7 @@ void gauge() {
                 + "    time_unix_nano: 1000000\n" + "    as_double: \\d+\\.0\n" + "  }\n" + "}\n");
     }
 
+    @Override
     @Test
     void timeGauge() {
         TimeGauge timeGauge = TimeGauge.builder("gauge.time", this, TimeUnit.MICROSECONDS, o -> 24).register(registry);

implementations/micrometer-registry-otlp/src/test/java/io/micrometer/registry/otlp/OtlpDeltaMeterRegistryTest.java

@@ -86,6 +86,7 @@ void gauge() {
             .isEqualTo(otlpConfig().step().plus(Duration.ofMillis(1)).toNanos());
     }
 
+    @Override
     @Test
     void timeGauge() {
         TimeGauge timeGauge = TimeGauge.builder("gauge.time", this, TimeUnit.MICROSECONDS, o -> 24).register(registry);
@@ -356,6 +357,7 @@ void longTaskTimer() {
                 UNIT_MILLISECONDS, 0, 0, 0);
     }
 
+    @Override
     @Test
     void testMetricsStartAndEndTime() {
         Counter counter = Counter.builder("test_publish_time").register(registry);

micrometer-core/src/main/java/io/micrometer/core/instrument/composite/AbstractCompositeMeter.java

@@ -64,6 +64,7 @@ T firstChild() {
         }
     }
 
+    @Override
     public final void add(MeterRegistry registry) {
         final T newMeter = registerNewMeter(registry);
         if (newMeter == null) {
@@ -90,6 +91,7 @@ public final void add(MeterRegistry registry) {
      * each meter belonging to the composite.
      * @param registry The registry to remove.
      */
+    @Override
     @Deprecated
     public final void remove(MeterRegistry registry) {
         for (;;) {

micrometer-core/src/main/java/io/micrometer/core/instrument/cumulative/CumulativeFunctionTimer.java

@@ -59,6 +59,7 @@ public CumulativeFunctionTimer(Id id, T obj, ToLongFunction<T> countFunction, To
     /**
      * The total number of occurrences of the timed event.
      */
+    @Override
     public double count() {
         T obj2 = ref.get();
         return obj2 != null ? (lastCount = Math.max(countFunction.applyAsLong(obj2), 0)) : lastCount;
@@ -67,6 +68,7 @@ public double count() {
     /**
      * The total time of all occurrences of the timed event.
      */
+    @Override
     public double totalTime(TimeUnit unit) {
         T obj2 = ref.get();
         if (obj2 != null) {

micrometer-core/src/main/java/io/micrometer/core/instrument/distribution/AbstractTimeWindowHistogram.java

@@ -165,6 +165,7 @@ private ValueAtPercentile[] takeValueSnapshot() {
         return values;
     }
 
+    @Override
     public void recordLong(long value) {
         rotate();
         try {
@@ -181,6 +182,7 @@ public void recordLong(long value) {
         }
     }
 
+    @Override
     public void recordDouble(double value) {
         rotate();
         try {

micrometer-core/src/main/java/io/micrometer/core/instrument/step/StepFunctionTimer.java

@@ -75,6 +75,7 @@ public StepFunctionTimer(Id id, Clock clock, long stepMillis, T obj, ToLongFunct
     /**
      * The total number of occurrences of the timed event.
      */
+    @Override
     public double count() {
         accumulateCountAndTotal();
         return countTotal.poll1();
@@ -83,6 +84,7 @@ public double count() {
     /**
      * The total time of all occurrences of the timed event.
      */
+    @Override
     public double totalTime(TimeUnit unit) {
         accumulateCountAndTotal();
         return TimeUtils.convert(countTotal.poll2(), baseTimeUnit(), unit);

micrometer-core/src/test/java/io/micrometer/core/instrument/binder/cache/GuavaCacheMetricsTest.java

@@ -36,6 +36,7 @@ class GuavaCacheMetricsTest extends AbstractCacheMetricsTest {
 
     // tag::setup[]
     LoadingCache<String, String> cache = CacheBuilder.newBuilder().recordStats().build(new CacheLoader<>() {
+        @Override
         public String load(String key) {
             return "";
         }
@@ -114,6 +115,7 @@ void returnHitCount() throws ExecutionException {
     @Test
     void returnHitCountWithoutRecordStats() throws ExecutionException {
         LoadingCache<String, String> cache = CacheBuilder.newBuilder().build(new CacheLoader<>() {
+            @Override
             public String load(String key) {
                 return "";
             }

micrometer-observation/src/main/java/io/micrometer/observation/Observation.java

@@ -968,6 +968,7 @@ public void setContextualName(@Nullable String contextualName) {
          * Returns the parent {@link ObservationView}.
          * @return parent observation or {@code null} if there was no parent
          */
+        @Override
         @Nullable
         public ObservationView getParentObservation() {
             return parentObservation;