Configuration change test

configuration.prod.yaml

@@ -1,33 +1,4 @@
-apimServiceName: [your target environment apim instance name goes here]
 namedValues:
-  - name: [name goes here. e.g. environment or SearchEngineBackendURL. It doesn't have to exist in the target environment]
-    displayName: [display name  goes here]
-    value: [replacement value in the target environment. e.g. name value can be dev in dev environment and prod in the prod environment]
-loggers:
-    - name: [source environment app insight name goes here. e.g. apim-dev-insights]
-      loggerType: applicationInsights
-      description: [app insight description goes here]
-      resourceId: "/subscriptions/[Azure subscription id for the target environment goes here]/resourceGroups/
-                   [resource group name for the target environment goes here]/providers/microsoft.insights/components/
-                   [target environment app insight name goes here. e.g. apim-prod-insights]"
-      credentials:
-        instrumentationKey: "destination environment namevalue key for the application insights goes here. You can use the display name to avoid hard coding the key here e.g. {{Logger-Credentials--62390d98217d201158b4bfb3}}. 
-                             The assumption is that the namevalue key is already populated in the target environment. This happens automatically when you associate an application insight to your target apim instance"
-      isBuffered: true
-diagnostics:
-   - name: applicationinsights
-     verbosity: Error
-     loggerId: "/subscriptions/[Azure subscription id for the target environment goes here]/resourceGroups/[resource group name for the target environment goes here]
-        /providers/Microsoft.ApiManagement/service/[apim instance name for the target environment goes here]/loggers/[target environment app insight name goes here. e.g. apim-prod-insights]"
-apis:
-  - name: "[target api version & revision to apply application insights to e.g. 'my-api', 'my-api-v2', 'my-api-v2;rev=2']"
-    diagnostics:
-      - name: applicationinsights
-        verbosity: Error
-        loggerId: "/subscriptions/[Azure subscription id for the target environment goes here]/resourceGroups/[resource group name for the target environment goes here]
-        /providers/Microsoft.ApiManagement/service/[apim instance name for the target environment goes here]/loggers/[target environment app insight name goes here. e.g. apim-prod-insights]"
-
-
-
-
-
+  - name: abc
+    displayName: bcdee
+    value: efghi

tools/code/common/Enumerable.cs

@@ -0,0 +1,32 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+namespace common;
+
+public static class IEnumerableModule
+{
+    /// <summary>
+    /// Applies <paramref name="f"/> to <paramref name="enumerable"/> items and filters out
+    /// null results.
+    /// </summary>
+    public static IEnumerable<T2> Choose<T, T2>(this IEnumerable<T> enumerable, Func<T, T2?> f) where T2 : class
+    {
+        return from t in enumerable
+               let t2 = f(t)
+               where t2 is not null
+               select t2;
+    }
+
+    /// <summary>
+    /// Applies <paramref name="f"/> to <paramref name="enumerable"/> items and filters out
+    /// null results.
+    /// </summary>
+    public static IEnumerable<T2> Choose<T, T2>(this IEnumerable<T> enumerable, Func<T, T2?> f) where T2 : struct
+    {
+        return from t in enumerable
+               let t2 = f(t)
+               where t2 is not null
+               select t2.Value;
+    }
+}