import { z } from 'zod';
import { ZodBase } from './def';
/**
 * Type utility to extract the return type from an API definition.
 * If the API has a voSchema (Value Object schema), returns the output type of that schema, otherwise void.
 * This enables automatic type inference for API responses in both client and server code.
 *
 * @template T - The API definition type
 * @example
 * ```typescript
 * const api = defineAPI({
 *   path: '/users',
 *   voSchema: z.object({ id: z.string(), name: z.string() })
 * })
 * type UserResponse = ReturnType<typeof api> // { id: string, name: string }
 * ```
 */
export type ReturnType<T> = T extends {
    voSchema: ZodBase;
} ? z.output<T['voSchema']> : void;
/**
 * Type utility to extract the argument type from an API definition.
 * If the API has a dtoSchema (Data Transfer Object schema), returns the output type of that schema, otherwise void.
 * This enables automatic type inference for API request parameters in both client and server code.
 *
 * @template T - The API definition type
 * @example
 * ```typescript
 * const api = defineAPI({
 *   path: '/users',
 *   dtoSchema: z.object({ name: z.string(), email: z.string() })
 * })
 * type UserRequest = ArgType<typeof api> // { name: string, email: string }
 * ```
 */
export type ArgType<T> = T extends {
    dtoSchema: ZodBase;
} ? z.output<T['dtoSchema']> : void;
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