Add Event and TimedEvent

packages/opentelemetry-types/src/trace/event.ts

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+/**
+ * Copyright 2019, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Attributes } from './attributes';
+
+/** A text annotation with a set of attributes. */
+export interface Event {
+  /** The name of the event. */
+  name: string;
+  /** The attributes of the event. */
+  attributes?: Attributes;
+}

packages/opentelemetry-types/src/trace/timed_event.ts

@@ -0,0 +1,25 @@
+/**
+ * Copyright 2019, OpenTelemetry Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      https://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { Event } from './event';
+
+/**
+ * Represents a timed event.
+ * A timed event is an event with a timestamp.
+ */
+export interface TimeEvent extends Event {
+  time: number;
+}