address pr comments

Author: smyrick

example/src/main/kotlin/com/expedia/graphql/sample/query/EnvironmentQuery.kt

@@ -13,7 +13,11 @@ data class NestedNode(
     val parentValue: Int? = null
 ) {
     fun nested(environment: DataFetchingEnvironment, value: Int): NestedNode {
-        val parentValue: Int? = if (environment.executionStepInfo.hasParent()) environment.executionStepInfo.parent.getArgument("value") else null
+        val parentValue: Int? = if (environment.executionStepInfo.hasParent()) {
+            environment.executionStepInfo.parent.getArgument("value")
+        } else {
+            null
+        }
 
         return NestedNode(value, parentValue)
     }

src/main/kotlin/com/expedia/graphql/generator/extensions/kParameterExtensions.kt

@@ -5,13 +5,12 @@ import com.expedia.graphql.exceptions.CouldNotGetNameOfKParameterException
 import graphql.schema.DataFetchingEnvironment
 import kotlin.reflect.KParameter
 import kotlin.reflect.full.findAnnotation
-import kotlin.reflect.full.isSuperclassOf
 
 internal fun KParameter.isInterface() = this.type.getKClass().isInterface()
 
 internal fun KParameter.isGraphQLContext() = this.findAnnotation<GraphQLContext>() != null
 
-internal fun KParameter.isDataFetchingEnvironment() = this.type.getKClass().isSuperclassOf(DataFetchingEnvironment::class)
+internal fun KParameter.isDataFetchingEnvironment() = this.type.classifier == DataFetchingEnvironment::class
 
 @Throws(CouldNotGetNameOfKParameterException::class)
 internal fun KParameter.getName(): String =