import type { TrackingMethods } from '..';
declare type NormalizedReturns = {
    [Key in keyof TrackingMethods]: unknown;
};
export declare type MiddlewareFunction<InType = unknown, OutType = unknown> = (data: InType) => OutType | Promise<OutType>;
export declare type Middleware<OutputType extends NormalizedReturns = NormalizedReturns> = {
    [Key in keyof TrackingMethods]: MiddlewareFunction<Parameters<Required<TrackingMethods>[Key]>[0], OutputType[Key]>;
};
export {};