feat(client-xray): This release enhances GetServiceGraph API to suppo…

…rt new type of edge to represent links between SQS and Lambda in event-driven applications.

clients/client-xray/src/models/models_0.ts

@@ -194,8 +194,8 @@ export interface Trace {
   Duration?: number;
 
   /**
-   * <p>LimitExceeded is set to true when the trace has exceeded one of the defined quotas. For
-   *       more information about quotas, see <a href="https://docs.aws.amazon.com/general/latest/gr/xray.html">Amazon Web Services X-Ray endpoints and quotas</a>.</p>
+   * <p>LimitExceeded is set to true when the trace has exceeded the <code>Trace document size</code> limit. For
+   *       more information about this limit and other X-Ray limits and quotas, see <a href="https://docs.aws.amazon.com/general/latest/gr/xray.html">Amazon Web Services X-Ray endpoints and quotas</a>.</p>
    */
   LimitExceeded?: boolean;
 
@@ -1448,7 +1448,9 @@ export interface EdgeStatistics {
 }
 
 /**
- * <p>Information about a connection between two services.</p>
+ * <p>Information about a connection between two services. An edge can be a synchronous connection, such as typical
+ *     call between client and service, or an asynchronous link, such as a Lambda function which retrieves an event from an
+ *     SNS queue.</p>
  */
 export interface Edge {
   /**
@@ -1472,14 +1474,27 @@ export interface Edge {
   SummaryStatistics?: EdgeStatistics;
 
   /**
-   * <p>A histogram that maps the spread of client response times on an edge.</p>
+   * <p>A histogram that maps the spread of client response times on an edge. Only populated
+   *              for synchronous edges.</p>
    */
   ResponseTimeHistogram?: HistogramEntry[];
 
   /**
    * <p>Aliases for the edge.</p>
    */
   Aliases?: Alias[];
+
+  /**
+   * <p>Describes an asynchronous connection, with a value of <code>link</code>.</p>
+   */
+  EdgeType?: string;
+
+  /**
+   * <p>A histogram that maps the spread of event age when received by consumers.
+   *       Age is calculated each time an event is received. Only populated when <i>EdgeType</i> is
+   *       <code>link</code>.</p>
+   */
+  ReceivedEventAgeHistogram?: HistogramEntry[];
 }
 
 /**

clients/client-xray/src/protocols/Aws_restJson1.ts

@@ -2493,8 +2493,13 @@ const deserializeAws_restJson1AvailabilityZoneDetail = (
 const deserializeAws_restJson1Edge = (output: any, context: __SerdeContext): Edge => {
   return {
     Aliases: output.Aliases != null ? deserializeAws_restJson1AliasList(output.Aliases, context) : undefined,
+    EdgeType: __expectString(output.EdgeType),
     EndTime:
       output.EndTime != null ? __expectNonNull(__parseEpochTimestamp(__expectNumber(output.EndTime))) : undefined,
+    ReceivedEventAgeHistogram:
+      output.ReceivedEventAgeHistogram != null
+        ? deserializeAws_restJson1Histogram(output.ReceivedEventAgeHistogram, context)
+        : undefined,
     ReferenceId: __expectInt32(output.ReferenceId),
     ResponseTimeHistogram:
       output.ResponseTimeHistogram != null