diff --git a/src/core/types.ts b/src/core/types.ts
index 699955e..6836b2e 100644
--- a/src/core/types.ts
+++ b/src/core/types.ts
@@ -1,13 +1,31 @@
-export type EnvType = 'string' | 'number' | 'boolean' | 'port' | 'email' | 'url' | 'json' | 'enum';
+export type EnvType =
+  | 'string'
+  | 'number'
+  | 'int'
+  | 'boolean'
+  | 'email'
+  | 'url'
+  | 'port'
+  | 'json'
+  | 'enum'
+  | 'host';
 
 export interface EnvVariableConfig {
   type: EnvType;
-  required?: boolean;
+  required: boolean;
+  desc?: string;
   default?: string | number | boolean;
-  options?: string[];
+  choices?: string[];
 }
 
-export type EnvVariableSchema = Record<string, EnvVariableConfig>;
+export interface EnvSchema {
+  variables: Record<string, EnvVariableConfig>;
+}
+
+export interface ParsedEnv {
+  flat: Record<string, string>;
+  nested: Record<string, unknown>;
+}
 
 export interface ValidationError {
   field: string;
@@ -16,7 +34,7 @@ export interface ValidationError {
 }
 
 export interface ValidationResult {
-  isValid: boolean;
+  valid: boolean;
   errors: ValidationError[];
-  cleanedEnv: Record<string, string | number | boolean>;
+  output: Record<string, unknown>;
 }