diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
index 8a0402109f4..999209657da 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
@@ -1086,6 +1086,7 @@ public class DefaultCodegen implements CodegenConfig {
 
         reservedWords = new HashSet<String>();
 
+        // TODO: Move Java specific import mappings out of DefaultCodegen.
         importMapping = new HashMap<String, String>();
         importMapping.put("BigDecimal", "java.math.BigDecimal");
         importMapping.put("UUID", "java.util.UUID");
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalazClientCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalazClientCodegen.java
index 81d413b2169..ec9cd9f2bf2 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalazClientCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/languages/ScalazClientCodegen.java
@@ -19,8 +19,11 @@ package org.openapitools.codegen.languages;
 
 import com.samskivert.mustache.Mustache;
 import com.samskivert.mustache.Template;
+import io.swagger.v3.oas.models.media.ArraySchema;
+import io.swagger.v3.oas.models.media.Schema;
 import org.apache.commons.lang3.StringUtils;
 import org.openapitools.codegen.*;
+import org.openapitools.codegen.utils.ModelUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -63,6 +66,8 @@ public class ScalazClientCodegen extends AbstractScalaCodegen implements Codegen
 
         additionalProperties.put("apiPackage", apiPackage);
 
+        // Explicitly defining bulid.properties helps guarantee our sample remains compilable against the embedded target 2.11 scala
+        supportingFiles.add(new SupportingFile("build.properties.mustache", "", "project/build.properties"));
         supportingFiles.add(new SupportingFile("build.sbt.mustache", "", "build.sbt"));
         supportingFiles.add(new SupportingFile("dateTimeCodecs.mustache", (sourceFolder + File.separator + apiPackage).replace(".", File.separator), "DateTimeCodecs.scala"));
         supportingFiles.add(new SupportingFile("HelperCodecs.mustache", (sourceFolder + File.separator + apiPackage).replace(".", File.separator), "HelperCodecs.scala"));
@@ -71,10 +76,16 @@ public class ScalazClientCodegen extends AbstractScalaCodegen implements Codegen
         importMapping.remove("List");
         importMapping.remove("Set");
         importMapping.remove("Map");
-
-        importMapping.put("Date", "java.util.Date");
+        
         importMapping.put("ListBuffer", "scala.collection.mutable.ListBuffer");
 
+        // Overrides defaults applied in DefaultCodegen which don't apply cleanly to Scala.
+        importMapping.put("Date", "java.util.Date");
+        importMapping.put("DateTime", "org.joda.time.DateTime");
+        importMapping.put("LocalDateTime", "org.joda.time.LocalDateTime");
+        importMapping.put("LocalDate", "org.joda.time.LocalDate");
+        importMapping.put("LocalTime", "org.joda.time.LocalTime");
+
         typeMapping = new HashMap<String, String>();
         typeMapping.put("enum", "NSString");
         typeMapping.put("array", "List");
@@ -179,6 +190,42 @@ public class ScalazClientCodegen extends AbstractScalaCodegen implements Codegen
 
     }
 
+    @Override
+    public String toDefaultValue(Schema p) {
+        if (p.getDefault() != null) {
+            return p.getDefault().toString();
+        }
+
+        // comment out the following as the default value is no handled differently
+        if (ModelUtils.isBooleanSchema(p)) {
+            return null;
+        } else if (ModelUtils.isDateSchema(p)) {
+            return null;
+        } else if (ModelUtils.isDateTimeSchema(p)) {
+            return null;
+        } else if (ModelUtils.isNumberSchema(p)) {
+            return null;
+        } else if (ModelUtils.isIntegerSchema(p)) {
+            return null;
+        } else if (ModelUtils.isMapSchema(p)) {
+            String inner = getSchemaType(ModelUtils.getAdditionalProperties(p));
+
+            return "Map.empty[String, " + inner + "] ";
+        } else if (ModelUtils.isArraySchema(p)) {
+            ArraySchema ap = (ArraySchema) p;
+            String inner = getSchemaType(ap.getItems());
+            String collectionType = typeMapping.get("array");
+
+            // We assume that users would map these collections to a monoid with an identity function
+            // There's no reason to assume mutable structure here (which may make consumption more difficult)
+            return collectionType + ".empty[" + inner + "] ";
+        } else if (ModelUtils.isStringSchema(p)) {
+            return null;
+        } else {
+            return null;
+        }
+    }
+
     @Override
     public CodegenType getTag() {
         return CodegenType.CLIENT;
diff --git a/modules/openapi-generator/src/main/resources/scalaz/api.mustache b/modules/openapi-generator/src/main/resources/scalaz/api.mustache
index 9eeba0a96ee..cddc6eb008f 100644
--- a/modules/openapi-generator/src/main/resources/scalaz/api.mustache
+++ b/modules/openapi-generator/src/main/resources/scalaz/api.mustache
@@ -21,6 +21,9 @@ import scalaz.concurrent.Task
 
 import HelperCodecs._
 
+{{#imports}}import {{import}}
+{{/imports}}
+
 {{#operations}}
 object {{classname}} {
 
diff --git a/modules/openapi-generator/src/main/resources/scalaz/build.properties.mustache b/modules/openapi-generator/src/main/resources/scalaz/build.properties.mustache
new file mode 100644
index 00000000000..cf19fd026fd
--- /dev/null
+++ b/modules/openapi-generator/src/main/resources/scalaz/build.properties.mustache
@@ -0,0 +1 @@
+sbt.version=0.13.15
\ No newline at end of file
diff --git a/modules/openapi-generator/src/main/resources/scalaz/model.mustache b/modules/openapi-generator/src/main/resources/scalaz/model.mustache
index 9333e6bd569..d582ab10abc 100644
--- a/modules/openapi-generator/src/main/resources/scalaz/model.mustache
+++ b/modules/openapi-generator/src/main/resources/scalaz/model.mustache
@@ -7,6 +7,10 @@ import argonaut.DecodeJson._
 import org.http4s.{EntityDecoder, EntityEncoder}
 import org.http4s.argonaut._
 import org.joda.time.DateTime
+
+{{#imports}}import {{import}}
+{{/imports}}
+
 {{#models}}
 {{#model}}
 import {{classname}}._
diff --git a/samples/client/petstore/scalaz/.openapi-generator/VERSION b/samples/client/petstore/scalaz/.openapi-generator/VERSION
index 096bf47efe3..e4955748d3e 100644
--- a/samples/client/petstore/scalaz/.openapi-generator/VERSION
+++ b/samples/client/petstore/scalaz/.openapi-generator/VERSION
@@ -1 +1 @@
-3.0.0-SNAPSHOT
\ No newline at end of file
+4.2.2-SNAPSHOT
\ No newline at end of file
diff --git a/samples/client/petstore/scalaz/project/build.properties b/samples/client/petstore/scalaz/project/build.properties
new file mode 100644
index 00000000000..cf19fd026fd
--- /dev/null
+++ b/samples/client/petstore/scalaz/project/build.properties
@@ -0,0 +1 @@
+sbt.version=0.13.15
\ No newline at end of file
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/ApiResponse.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/ApiResponse.scala
index 62497849b41..457b5fd3fd9 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/ApiResponse.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/ApiResponse.scala
@@ -7,6 +7,8 @@ import argonaut.DecodeJson._
 import org.http4s.{EntityDecoder, EntityEncoder}
 import org.http4s.argonaut._
 import org.joda.time.DateTime
+
+
 import ApiResponse._
 
 case class ApiResponse (
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Category.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Category.scala
index cbc45f6e3f1..a3323b05c59 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Category.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Category.scala
@@ -7,6 +7,8 @@ import argonaut.DecodeJson._
 import org.http4s.{EntityDecoder, EntityEncoder}
 import org.http4s.argonaut._
 import org.joda.time.DateTime
+
+
 import Category._
 
 case class Category (
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Order.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Order.scala
index d228f817bd4..67e3cd4318a 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Order.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Order.scala
@@ -7,6 +7,9 @@ import argonaut.DecodeJson._
 import org.http4s.{EntityDecoder, EntityEncoder}
 import org.http4s.argonaut._
 import org.joda.time.DateTime
+
+import org.joda.time.DateTime
+
 import Order._
 
 case class Order (
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Pet.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Pet.scala
index 9b75836b88a..933df79c621 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Pet.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Pet.scala
@@ -7,6 +7,8 @@ import argonaut.DecodeJson._
 import org.http4s.{EntityDecoder, EntityEncoder}
 import org.http4s.argonaut._
 import org.joda.time.DateTime
+
+
 import Pet._
 
 case class Pet (
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/PetApi.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/PetApi.scala
index bafe205709c..79636d5560a 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/PetApi.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/PetApi.scala
@@ -21,13 +21,17 @@ import scalaz.concurrent.Task
 
 import HelperCodecs._
 
+import org.openapitools.client.api.ApiResponse
+import java.io.File
+import org.openapitools.client.api.Pet
+
 object PetApi {
 
   val client = PooledHttp1Client()
 
   def escape(value: String): String = URLEncoder.encode(value, "utf-8").replaceAll("\\+", "%20")
 
-  def addPet(host: String, pet: Pet): Task[Unit] = {
+  def addPet(host: String, body: Pet): Task[Unit] = {
     val path = "/pet"
     
     val httpMethod = Method.POST
@@ -40,7 +44,7 @@ object PetApi {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(host + path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(pet)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
@@ -65,7 +69,7 @@ object PetApi {
     } yield resp
   }
   
-  def findPetsByStatus(host: String, status: List[String])(implicit statusQuery: QueryParam[List[String]]): Task[List[Pet]] = {
+  def findPetsByStatus(host: String, status: List[String] = List.empty[String] )(implicit statusQuery: QueryParam[List[String]]): Task[List[Pet]] = {
     implicit val returnTypeDecoder: EntityDecoder[List[Pet]] = jsonOf[List[Pet]]
 
     val path = "/pet/findByStatus"
@@ -86,7 +90,7 @@ object PetApi {
     } yield resp
   }
   
-  def findPetsByTags(host: String, tags: List[String])(implicit tagsQuery: QueryParam[List[String]]): Task[List[Pet]] = {
+  def findPetsByTags(host: String, tags: List[String] = List.empty[String] )(implicit tagsQuery: QueryParam[List[String]]): Task[List[Pet]] = {
     implicit val returnTypeDecoder: EntityDecoder[List[Pet]] = jsonOf[List[Pet]]
 
     val path = "/pet/findByTags"
@@ -128,7 +132,7 @@ object PetApi {
     } yield resp
   }
   
-  def updatePet(host: String, pet: Pet): Task[Unit] = {
+  def updatePet(host: String, body: Pet): Task[Unit] = {
     val path = "/pet"
     
     val httpMethod = Method.PUT
@@ -141,7 +145,7 @@ object PetApi {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(host + path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(pet)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
@@ -194,7 +198,7 @@ class HttpServicePetApi(service: HttpService) {
 
   def escape(value: String): String = URLEncoder.encode(value, "utf-8").replaceAll("\\+", "%20")
 
-  def addPet(pet: Pet): Task[Unit] = {
+  def addPet(body: Pet): Task[Unit] = {
     val path = "/pet"
     
     val httpMethod = Method.POST
@@ -207,7 +211,7 @@ class HttpServicePetApi(service: HttpService) {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(pet)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
@@ -232,7 +236,7 @@ class HttpServicePetApi(service: HttpService) {
     } yield resp
   }
   
-  def findPetsByStatus(status: List[String])(implicit statusQuery: QueryParam[List[String]]): Task[List[Pet]] = {
+  def findPetsByStatus(status: List[String] = List.empty[String] )(implicit statusQuery: QueryParam[List[String]]): Task[List[Pet]] = {
     implicit val returnTypeDecoder: EntityDecoder[List[Pet]] = jsonOf[List[Pet]]
 
     val path = "/pet/findByStatus"
@@ -253,7 +257,7 @@ class HttpServicePetApi(service: HttpService) {
     } yield resp
   }
   
-  def findPetsByTags(tags: List[String])(implicit tagsQuery: QueryParam[List[String]]): Task[List[Pet]] = {
+  def findPetsByTags(tags: List[String] = List.empty[String] )(implicit tagsQuery: QueryParam[List[String]]): Task[List[Pet]] = {
     implicit val returnTypeDecoder: EntityDecoder[List[Pet]] = jsonOf[List[Pet]]
 
     val path = "/pet/findByTags"
@@ -295,7 +299,7 @@ class HttpServicePetApi(service: HttpService) {
     } yield resp
   }
   
-  def updatePet(pet: Pet): Task[Unit] = {
+  def updatePet(body: Pet): Task[Unit] = {
     val path = "/pet"
     
     val httpMethod = Method.PUT
@@ -308,7 +312,7 @@ class HttpServicePetApi(service: HttpService) {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(pet)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/StoreApi.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/StoreApi.scala
index 30548fac93d..ccb0607174a 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/StoreApi.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/StoreApi.scala
@@ -21,6 +21,8 @@ import scalaz.concurrent.Task
 
 import HelperCodecs._
 
+import org.openapitools.client.api.Order
+
 object StoreApi {
 
   val client = PooledHttp1Client()
@@ -88,7 +90,7 @@ object StoreApi {
     } yield resp
   }
   
-  def placeOrder(host: String, order: Order): Task[Order] = {
+  def placeOrder(host: String, body: Order): Task[Order] = {
     implicit val returnTypeDecoder: EntityDecoder[Order] = jsonOf[Order]
 
     val path = "/store/order"
@@ -103,7 +105,7 @@ object StoreApi {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(host + path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(order)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.expect[Order](req)
 
     } yield resp
@@ -177,7 +179,7 @@ class HttpServiceStoreApi(service: HttpService) {
     } yield resp
   }
   
-  def placeOrder(order: Order): Task[Order] = {
+  def placeOrder(body: Order): Task[Order] = {
     implicit val returnTypeDecoder: EntityDecoder[Order] = jsonOf[Order]
 
     val path = "/store/order"
@@ -192,7 +194,7 @@ class HttpServiceStoreApi(service: HttpService) {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(order)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.expect[Order](req)
 
     } yield resp
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Tag.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Tag.scala
index 96f7807e0a6..2c1e248ba2b 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Tag.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/Tag.scala
@@ -7,6 +7,8 @@ import argonaut.DecodeJson._
 import org.http4s.{EntityDecoder, EntityEncoder}
 import org.http4s.argonaut._
 import org.joda.time.DateTime
+
+
 import Tag._
 
 case class Tag (
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/User.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/User.scala
index 99a6ca61b51..bf1d2054079 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/User.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/User.scala
@@ -7,6 +7,8 @@ import argonaut.DecodeJson._
 import org.http4s.{EntityDecoder, EntityEncoder}
 import org.http4s.argonaut._
 import org.joda.time.DateTime
+
+
 import User._
 
 case class User (
diff --git a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/UserApi.scala b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/UserApi.scala
index 4699158f917..ff45c31941f 100644
--- a/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/UserApi.scala
+++ b/samples/client/petstore/scalaz/src/main/scala/org/openapitools/client/api/UserApi.scala
@@ -21,13 +21,15 @@ import scalaz.concurrent.Task
 
 import HelperCodecs._
 
+import org.openapitools.client.api.User
+
 object UserApi {
 
   val client = PooledHttp1Client()
 
   def escape(value: String): String = URLEncoder.encode(value, "utf-8").replaceAll("\\+", "%20")
 
-  def createUser(host: String, user: User): Task[Unit] = {
+  def createUser(host: String, body: User): Task[Unit] = {
     val path = "/user"
     
     val httpMethod = Method.POST
@@ -40,13 +42,13 @@ object UserApi {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(host + path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
   }
   
-  def createUsersWithArrayInput(host: String, user: List[User]): Task[Unit] = {
+  def createUsersWithArrayInput(host: String, body: List[User]): Task[Unit] = {
     val path = "/user/createWithArray"
     
     val httpMethod = Method.POST
@@ -59,13 +61,13 @@ object UserApi {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(host + path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
   }
   
-  def createUsersWithListInput(host: String, user: List[User]): Task[Unit] = {
+  def createUsersWithListInput(host: String, body: List[User]): Task[Unit] = {
     val path = "/user/createWithList"
     
     val httpMethod = Method.POST
@@ -78,7 +80,7 @@ object UserApi {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(host + path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
@@ -164,7 +166,7 @@ object UserApi {
     } yield resp
   }
   
-  def updateUser(host: String, username: String, user: User): Task[Unit] = {
+  def updateUser(host: String, username: String, body: User): Task[Unit] = {
     val path = "/user/{username}".replaceAll("\\{" + "username" + "\\}",escape(username.toString))
     
     val httpMethod = Method.PUT
@@ -177,7 +179,7 @@ object UserApi {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(host + path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
@@ -190,7 +192,7 @@ class HttpServiceUserApi(service: HttpService) {
 
   def escape(value: String): String = URLEncoder.encode(value, "utf-8").replaceAll("\\+", "%20")
 
-  def createUser(user: User): Task[Unit] = {
+  def createUser(body: User): Task[Unit] = {
     val path = "/user"
     
     val httpMethod = Method.POST
@@ -203,13 +205,13 @@ class HttpServiceUserApi(service: HttpService) {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
   }
   
-  def createUsersWithArrayInput(user: List[User]): Task[Unit] = {
+  def createUsersWithArrayInput(body: List[User]): Task[Unit] = {
     val path = "/user/createWithArray"
     
     val httpMethod = Method.POST
@@ -222,13 +224,13 @@ class HttpServiceUserApi(service: HttpService) {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
   }
   
-  def createUsersWithListInput(user: List[User]): Task[Unit] = {
+  def createUsersWithListInput(body: List[User]): Task[Unit] = {
     val path = "/user/createWithList"
     
     val httpMethod = Method.POST
@@ -241,7 +243,7 @@ class HttpServiceUserApi(service: HttpService) {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp
@@ -327,7 +329,7 @@ class HttpServiceUserApi(service: HttpService) {
     } yield resp
   }
   
-  def updateUser(username: String, user: User): Task[Unit] = {
+  def updateUser(username: String, body: User): Task[Unit] = {
     val path = "/user/{username}".replaceAll("\\{" + "username" + "\\}",escape(username.toString))
     
     val httpMethod = Method.PUT
@@ -340,7 +342,7 @@ class HttpServiceUserApi(service: HttpService) {
     for {
       uri           <- Task.fromDisjunction(Uri.fromString(path))
       uriWithParams =  uri.copy(query = queryParams)
-      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(user)
+      req           =  Request(method = httpMethod, uri = uriWithParams, headers = headers.put(contentType)).withBody(body)
       resp          <- client.fetch[Unit](req)(_ => Task.now(()))
 
     } yield resp