[Telemetry Collections] Add Telemetry Collection Functionality to Telemetry API (#3689)

Adds telemetry collections to the telemetry API

Co-authored-by: Shefali Joshi <simplyrender@gmail.com>
Co-authored-by: Andrew Henry <akhenry@gmail.com>

src/api/telemetry/TelemetryAPI.js

@@ -20,6 +20,8 @@
  * at runtime from the About dialog for additional information.
  *****************************************************************************/
 
+const { TelemetryCollection } = require("./TelemetryCollection");
+
 define([
     '../../plugins/displayLayout/CustomStringFormatter',
     './TelemetryMetadataManager',
@@ -273,6 +275,28 @@ define([
         }
     };
 
+    /**
+     * Request telemetry collection for a domain object.
+     * The `options` argument allows you to specify filters
+     * (start, end, etc.), sort order, and strategies for retrieving
+     * telemetry (aggregation, latest available, etc.).
+     *
+     * @method requestTelemetryCollection
+     * @memberof module:openmct.TelemetryAPI~TelemetryProvider#
+     * @param {module:openmct.DomainObject} domainObject the object
+     *        which has associated telemetry
+     * @param {module:openmct.TelemetryAPI~TelemetryRequest} options
+     *        options for this telemetry collection request
+     * @returns {TelemetryCollection} a TelemetryCollection instance
+     */
+    TelemetryAPI.prototype.requestTelemetryCollection = function (domainObject, options = {}) {
+        return new TelemetryCollection(
+            this.openmct,
+            domainObject,
+            options
+        );
+    };
+
     /**
      * Request historical telemetry for a domain object.
      * The `options` argument allows you to specify filters