import * as z from 'zod';
import { JUNO_FUNCTION_TYPE } from '../constants';
/**
 * The type of a serverless function. Not exposed to the developer. It allows the CLI
 * to discover the functions when parsing the code.
 */
export type CustomFunctionType = (typeof JUNO_FUNCTION_TYPE)[keyof typeof JUNO_FUNCTION_TYPE];
export declare const CustomFunctionGuardSchema: z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>;
/**
 * @see CustomFunctionWithArgsAndResult
 */
export declare const CustomFunctionWithArgsAndResultSchema: z.ZodObject<{
    args: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    result: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>;
/**
 * @see CustomFunctionWithArgs
 */
export declare const CustomFunctionWithArgsSchema: z.ZodObject<{
    args: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>;
/**
 * @see CustomFunctionWithResult
 */
export declare const CustomFunctionWithResultSchema: z.ZodObject<{
    result: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>;
/**
 * @see CustomFunctionWithoutArgsAndResult
 */
export declare const CustomFunctionWithoutArgsAndResultSchema: z.ZodObject<{
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>;
/**
 * @see CustomFunction
 */
export declare const CustomFunctionSchema: z.ZodUnion<readonly [z.ZodObject<{
    args: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    result: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>, z.ZodObject<{
    args: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[z.ZodUnknown], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>, z.ZodObject<{
    result: z.ZodCustom<z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>, z.ZodObject<z.core.$ZodLooseShape, z.core.$strip>>;
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodUnknown, z.ZodPromise<z.ZodUnknown>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>, z.ZodObject<{
    handler: z.ZodCustom<z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>, z.core.$InferInnerFunctionType<z.ZodTuple<[], null>, z.ZodUnion<readonly [z.ZodVoid, z.ZodPromise<z.ZodVoid>]>>>;
    guard: z.ZodOptional<z.ZodCustom<z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>, z.core.$InferInnerFunctionType<z.core.$ZodFunctionArgs, z.ZodVoid>>>;
    hidden: z.ZodOptional<z.ZodBoolean>;
    type: z.ZodEnum<{
        __juno_function_query: "__juno_function_query";
        __juno_function_update: "__juno_function_update";
    }>;
}, z.core.$strict>]>;
/**
 * Base interface for all serverless function variants.
 */
interface CustomFunctionBase {
    /**
     * The type of the function, either a query or an update.
     */
    type: CustomFunctionType;
    /**
     * An optional function that runs before the function is executed.
     * If the guard throws, the function is not executed.
     */
    guard?: () => void;
    /**
     * If true, the function is not exposed in the public Candid interface.
     * Useful for internal functions such as HTTP response transform functions.
     */
    hidden?: boolean;
}
/**
 * A serverless function with both input arguments and an output result.
 *
 * @template TArgs - The type of the input arguments.
 * @template TResult - The type of the output result.
 */
export interface CustomFunctionWithArgsAndResult<TArgs extends z.ZodRawShape, TResult extends z.ZodRawShape> extends CustomFunctionBase {
    /**
     * A Zod schema describing the input arguments.
     */
    args: z.ZodObject<TArgs>;
    /**
     * A Zod schema describing the output result.
     */
    result: z.ZodObject<TResult>;
    /**
     * The function handler. Can be synchronous or asynchronous.
     *
     * @param {TArgs} args - The input arguments.
     * @returns {TResult | Promise<TResult>}
     */
    handler: (args: z.infer<z.ZodObject<TArgs>>) => z.infer<z.ZodObject<TResult>> | Promise<z.infer<z.ZodObject<TResult>>>;
}
/**
 * A serverless function with input arguments but no output result.
 *
 * @template TArgs - The type of the input arguments.
 */
export interface CustomFunctionWithArgs<TArgs extends z.ZodRawShape> extends CustomFunctionBase {
    /**
     * A Zod schema describing the input arguments.
     */
    args: z.ZodObject<TArgs>;
    /**
     * The function handler. Can be synchronous or asynchronous.
     *
     * @param {TArgs} args - The input arguments.
     * @returns {void | Promise<void>}
     */
    handler: (args: z.infer<z.ZodObject<TArgs>>) => void | Promise<void>;
}
/**
 * A serverless function with an output result but no input arguments.
 *
 * @template TResult - The type of the output result.
 */
export interface CustomFunctionWithResult<TResult extends z.ZodRawShape> extends CustomFunctionBase {
    /**
     * A Zod schema describing the output result.
     */
    result: z.ZodObject<TResult>;
    /**
     * The function handler. Can be synchronous or asynchronous.
     *
     * @returns {TResult | Promise<TResult>}
     */
    handler: () => z.infer<z.ZodObject<TResult>> | Promise<z.infer<z.ZodObject<TResult>>>;
}
/**
 * A serverless function with no input arguments and no output result.
 */
export interface CustomFunctionWithoutArgsAndResult extends CustomFunctionBase {
    /**
     * The function handler. Can be synchronous or asynchronous.
     *
     * @returns {void | Promise<void>}
     */
    handler: () => void | Promise<void>;
}
/**
 * A serverless function definition. The four variants cover all combinations
 * of optional input arguments and output result.
 *
 * @template TArgs - The type of the input arguments.
 * @template TResult - The type of the output result.
 */
export type CustomFunction<TArgs extends z.ZodRawShape = z.ZodRawShape, TResult extends z.ZodRawShape = z.ZodRawShape> = CustomFunctionWithArgsAndResult<TArgs, TResult> | CustomFunctionWithArgs<TArgs> | CustomFunctionWithResult<TResult> | CustomFunctionWithoutArgsAndResult;
export {};