Remove setting generateAliasAsModel in rust server generator (#2714)

* remove setting generateAliasAsModel in rust server

* update rust server samples

* update doc

bin/rust-server-petstore.sh

@@ -34,6 +34,7 @@ for spec_path in modules/openapi-generator/src/test/resources/*/rust-server/* ;
                  --output samples/server/petstore/rust-server/output/$spec
                  -DpackageName=$spec
                  --additional-properties hideGenerationTimestamp=true
+                 --generate-alias-as-model
 		 $@"
 
   java $JAVA_OPTS -jar $executable $args

docs/generators/aspnetcore.md

@@ -23,7 +23,11 @@ sidebar_label: aspnetcore
 |useCollection|Deserialize array types to Collection<T> instead of List<T>.| |false|
 |returnICollection|Return ICollection<T> instead of the concrete type.| |false|
 |useSwashbuckle|Uses the Swashbuckle.AspNetCore NuGet package for documentation.| |true|
+|isLibrary|Is the build a library| |false|
 |classModifier|Class Modifier can be empty, abstract| ||
 |operationModifier|Operation Modifier can be virtual, abstract or partial| |virtual|
 |buildTarget|Target to build an application or library| |program|
 |generateBody|Generates method body.| |true|
+|operationIsAsync|Set methods to async or sync.| |false|
+|operationResultTask|Set methods result to Task<>.| |false|
+|modelClassModifier|Model Class Modifier can be nothing or partial| |partial|

modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/RustServerCodegen.java

@@ -67,9 +67,6 @@ public class RustServerCodegen extends DefaultCodegen implements CodegenConfig {
     public RustServerCodegen() {
         super();
 
-        // Force generating models for wrapping types
-        ModelUtils.setGenerateAliasAsModel(true);
-
         // Show the generation timestamp by default
         hideGenerationTimestamp = Boolean.FALSE;
 
@@ -211,6 +208,10 @@ public class RustServerCodegen extends DefaultCodegen implements CodegenConfig {
     public void processOpts() {
         super.processOpts();
 
+        if (!Boolean.TRUE.equals(ModelUtils.isGenerateAliasAsModel())) {
+            LOGGER.warn("generateAliasAsModel is set to false, which means array/map will be generated as model instead and the resulting code may have issues. Please enable `generateAliasAsModel` to address the issue.");
+        }
+
         setPackageName((String) additionalProperties.getOrDefault(CodegenConstants.PACKAGE_NAME, "openapi_client"));
 
         if (additionalProperties.containsKey(CodegenConstants.PACKAGE_VERSION)) {