Polishing.

Use ResolvableType for type assignability check when resolving Type from a KType.

See #2324.

src/test/java/org/springframework/data/mapping/model/KotlinCopyMethodUnitTests.java

@@ -72,4 +72,12 @@ class KotlinCopyMethodUnitTests {
 		assertThat(copyMethod.shouldUsePublicCopyMethod(mappingContext.getRequiredPersistentEntity(DataClassKt.class)))
 				.isTrue();
 	}
+
+	@Test // #2324
+	void shouldDetermineCopyMethodForParametrizedType() {
+
+		Optional<KotlinCopyMethod> copyMethod = KotlinCopyMethod.findCopyMethod(ImmutableKotlinPerson.class);
+
+		assertThat(copyMethod).isPresent();
+	}
 }

src/test/kotlin/org/springframework/data/mapping/model/DataClasses.kt

@@ -15,6 +15,7 @@
  */
 package org.springframework.data.mapping.model
 
+import org.springframework.data.annotation.Id
 import java.time.LocalDateTime
 import java.util.*
 
@@ -59,3 +60,8 @@ data class WithCustomCopyMethod(
 	)
 
 }
+
+data class ImmutableKotlinPerson(
+	@Id val name: String,
+	val wasOnboardedBy: List<ImmutableKotlinPerson>
+)