Add support for default property values (#2100)

Closes #2072

Author: externl

.vscode/cspell.json

@@ -4,6 +4,7 @@
     "words": [
         "decoratee",
         "ICESTORM",
+        "nullopt",
         "unmarshal",
         "unmarshaling"
     ],

.vscode/settings.json

@@ -6,6 +6,7 @@
         "--rcfile=tox.ini"
     ],
     "files.associations": {
+        "Make.*": "makefile",
         "vector": "cpp",
         "__bit_reference": "cpp",
         "__config": "cpp",
@@ -79,7 +80,8 @@
         "cassert": "cpp",
         "span": "cpp",
         "functional": "cpp",
-        "__memory": "cpp"
+        "__memory": "cpp",
+        "queue": "cpp"
     },
     "C_Cpp.default.cppStandard": "c++20",
 }

config/PropertyNames.xml

@@ -249,11 +249,11 @@ generated from the section label.
     </class>
 
     <class name="connection" prefix-only="false">
-        <suffix name="CloseTimeout" />
-        <suffix name="ConnectTimeout" />
-        <suffix name="EnableIdleCheck" />
-        <suffix name="IdleTimeout" />
-        <suffix name="InactivityTimeout" />
+        <suffix name="CloseTimeout" default="10" />
+        <suffix name="ConnectTimeout" default="10" />
+        <suffix name="EnableIdleCheck" default="1" />
+        <suffix name="IdleTimeout" default="60" />
+        <suffix name="InactivityTimeout" default="300" />
     </class>
 
     <class name="threadpool" prefix-only="true">
@@ -267,7 +267,8 @@ generated from the section label.
     </class>
 
     <class name="objectadapter" prefix-only="true">
-        <suffix name="ACM" class="acm"/> <!-- Getting replaced by Connection -->
+        <!-- ACM is getting replaced by Connection -->
+        <suffix name="ACM" class="acm"/>
         <suffix name="AdapterId" />
         <suffix name="Connection" class="connection"/>
         <suffix name="Endpoints" />
@@ -372,7 +373,7 @@ generated from the section label.
         <property name="PrintProcessId" />
         <property name="PrintStackTraces" />
         <property name="ProgramName" />
-        <property name="RetryIntervals" />
+        <property name="RetryIntervals" default="0" />
         <property name="ServerIdleTime" />
         <property name="SOCKSProxyHost" />
         <property name="SOCKSProxyPort" />
@@ -382,7 +383,7 @@ generated from the section label.
         <property name="ThreadPool.Client" class="threadpool" />
         <property name="ThreadPool.Server" class="threadpool" />
         <property name="ThreadPriority"/>
-        <property name="ToStringMode" />
+        <property name="ToStringMode" default="Unicode" />
         <property name="Trace.Admin.Properties" />
         <property name="Trace.Admin.Logger" />
         <property name="Trace.Locator" />