Refine support for kotlinx.serialization when reflection is involved

Closes gh-1410

Author: sdeleuze

pom.xml

@@ -160,6 +160,11 @@
 				<artifactId>mojo-executor</artifactId>
 				<version>2.3.1</version>
 			</dependency>
+			<dependency>
+				<groupId>org.jetbrains.kotlinx</groupId>
+				<artifactId>kotlinx-serialization-json</artifactId>
+				<version>1.3.2</version>
+			</dependency>
 		</dependencies>
 	</dependencyManagement>
 

spring-native-configuration/pom.xml

@@ -27,6 +27,11 @@
             <artifactId>kotlin-stdlib</artifactId>
             <scope>provided</scope>
         </dependency>
+        <dependency>
+            <groupId>org.jetbrains.kotlinx</groupId>
+            <artifactId>kotlinx-serialization-json</artifactId>
+            <scope>provided</scope>
+        </dependency>
         <dependency>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-actuator</artifactId>

spring-native-configuration/src/main/java/kotlin/KotlinHints.java

@@ -52,6 +52,9 @@
 					"java.lang.String"
 			}, access = {})
 		})
-
+@NativeHint(trigger = kotlinx.serialization.descriptors.SerialDescriptor.class, types =
+	@TypeHint(types = { kotlinx.serialization.encoding.CompositeEncoder.class, kotlinx.serialization.descriptors.SerialDescriptor.class },
+		typeNames = "kotlinx.serialization.internal.SerializationConstructorMarker")
+)
 public class KotlinHints implements NativeConfiguration {
 }