diff --git a/src/ZodSchemaClass.ts b/src/ZodSchemaClass.ts
index 07c0342..d18c100 100644
--- a/src/ZodSchemaClass.ts
+++ b/src/ZodSchemaClass.ts
@@ -1,5 +1,6 @@
 import { Trait, TraitExpressionBuilder, expression } from "@thilawyn/traitify-ts"
 import { AbstractClass, Simplify } from "type-fest"
+import { JsonifiableObject } from "type-fest/source/jsonifiable"
 import { z } from "zod"
 import { ExtendableZodSchemaObject } from "./traits/ExtendableZodSchemaObject"
 import { InstantiableZodSchemaObject } from "./traits/InstantiableZodSchemaObject"
@@ -36,9 +37,12 @@ extends TraitExpressionBuilder<Superclass, Traits> {
         Values            extends object,
         DefaultValues     extends Partial<Values>,
     >(
-        this:           ZodSchemaClassBuilder<Superclass, Traits>,
-        schema:         z.ZodObject<SchemaT, SchemaUnknownKeys, SchemaCatchall, Values, Values>,
-        defaultValues:  DefaultValues,
+        this: ZodSchemaClassBuilder<Superclass, Traits>,
+
+        { schema, defaultValues }: {
+            schema:         z.ZodObject<SchemaT, SchemaUnknownKeys, SchemaCatchall, Values, Values>
+            defaultValues:  DefaultValues
+        },
     ) {
         class Schemas extends (this.expressionSuperclass as AbstractClass<object, []>) {
             static readonly schema        = schema
@@ -76,7 +80,21 @@ extends TraitExpressionBuilder<Superclass, Traits> {
         )
     }
 
-    jsonifiable() {
+    jsonifiable<
+        Superclass                 extends AbstractClass<object>,
+
+        JsonifiedValues            extends JsonifiableObject,
+
+        JsonifySchemaT             extends z.ZodRawShape,
+        JsonifySchemaUnknownKeys   extends z.UnknownKeysParam,
+        JsonifySchemaCatchall      extends z.ZodTypeAny,
+
+        DejsonifySchemaT           extends z.ZodRawShape,
+        DejsonifySchemaUnknownKeys extends z.UnknownKeysParam,
+        DejsonifySchemaCatchall    extends z.ZodTypeAny,
+    >(
+        this: ZodSchemaClassBuilder<Superclass, Traits>,
+    ) {
 
     }
 }
diff --git a/src/tests.ts b/src/tests.ts
index b99ef6b..40a523c 100644
--- a/src/tests.ts
+++ b/src/tests.ts
@@ -1,38 +1,26 @@
 import { Implements, TraitExpression } from "@thilawyn/traitify-ts"
 import { z } from "zod"
-import { ZodSchemaClass, ZodSchemaClassBuilder } from "./ZodSchemaClass"
+import { ZodSchemaClassBuilder } from "./ZodSchemaClass"
 import { ObservableZodSchemaObject } from "./traits/ObservableZodSchemaObject"
 
 
 const newTestExp = new ZodSchemaClassBuilder(TraitExpression.NullSuperclass, [])
-    .schema(
-        z.object({
+    .schema({
+        schema: z.object({
             /** Object ID */
             id: z.bigint(),
             name: z.string(),
         }),
 
-        { id: -1n },
-    )
-    .expresses(ObservableZodSchemaObject)
-    .build()
-
-const TestExp = ZodSchemaClass({
-    schema: z.object({
-        /** Object ID */
-        id: z.bigint(),
-        name: z.string(),
-    }),
-
-    defaultValues: { id: -1n },
-})
+        defaultValues: { id: -1n },
+    })
     .expresses(ObservableZodSchemaObject)
     .build()
 
 @newTestExp.staticImplements
 class Test extends newTestExp.extends implements Implements<typeof newTestExp> {}
 
-Test.schema
+Test.defaultValues
 const inst = Test.create({ id: 1n, name: "" })
 console.log(inst)