import type { Nullable } from '../types/misc.js';
import type { CallerResponse, IRequestConfig } from './call.types.js';
import type { IEndpointInfo } from './endpoint.types.js';
export type CallerHooks<TExtra extends object = object> = {
    /**
    * Called before config is created, to validate result input data.
    * May throw to abort request. Use for input validation if needed.
    * Objects are cloned to avoid mutation.
    */
    beforeConfig?: <T extends IEndpointInfo = IEndpointInfo>(api: T, body: IEndpointInfo.ExtractIn<T, object>, pathParams: IEndpointInfo.ExtractPath<T, object>, queryParams: IEndpointInfo.ExtractQuery<T, object>) => CallerHooks.HookReturnType;
    /**
     * Called before request is sent.
     * The config can be mutated or returned as updated object – in the latter case it will be merged into original config via `Object.assign`.
     * This is useful for adding headers or modifying request data.
     */
    beforeRequest?: <T extends IEndpointInfo = IEndpointInfo, TIn = IEndpointInfo.ExtractIn<T>>(config: IRequestConfig<T, TIn, TExtra>) => CallerHooks.HookReturnType<void | IRequestConfig<T, TIn, TExtra>>;
    /**
     * Called after response is receieved.
     * The config can be mutated or returned as updated object – in the latter case it will be merged into original config via `Object.assign`.
     * This is useful for adding headers or modifying request data.
     */
    afterResponse?: <T extends IEndpointInfo = IEndpointInfo, TIn = IEndpointInfo.ExtractIn<T>, TOut = IEndpointInfo.ExtractOut<T>, TResponse extends CallerResponse<TOut> = CallerResponse<TOut>>(config: IRequestConfig<T, TIn, TExtra>, response: TResponse) => CallerHooks.HookReturnType<void | TResponse>;
};
export declare namespace CallerHooks {
    type HookReturnType<T = void> = T | Promise<T>;
    function merge<TExtra extends object>(items: Nullable<CallerHooks<TExtra> | CallerHooks<TExtra>[]>): CallerHooks<TExtra>;
}