import ResourceTypeRegistry from "../ResourceTypeRegistry";
import { FinalizedRequest, ServerReq, ServerRes } from "../types/";
import Resource, { ResourceWithId } from "../types/Resource";
import ResourceIdentifier from "../types/ResourceIdentifier";
import { TransformMeta } from "../types/Document";
export declare type Extras<U extends ServerReq = ServerReq, V extends ServerRes = ServerRes> = {
    request: FinalizedRequest;
    serverReq: U;
    serverRes: V;
    registry: ResourceTypeRegistry;
};
export declare type Transformable = Resource | ResourceIdentifier;
export declare type TransformMode = 'beforeSave' | 'beforeRender';
export declare type TransformResult<T> = T | undefined | Promise<T | undefined>;
export declare type TransformFn<T, U extends ServerReq = ServerReq, V extends ServerRes = ServerRes> = (resourceOrIdentifier: T, meta: TransformMeta, extras: Extras<U, V>, superFn: (it: T, meta: TransformMeta) => TransformResult<T>) => TransformResult<T>;
export declare type ResourceTransformFn = TransformFn<Resource>;
export declare type FullTransformFn = TransformFn<Transformable>;
export declare type BeforeRenderResourceTransformFn = TransformFn<ResourceWithId>;
export declare type BeforeRenderFullTransformFn = TransformFn<ResourceWithId | ResourceIdentifier>;
export default function makeTransformFn(mode: TransformMode, extras: Extras): (it: ResourceIdentifier | Resource, meta: TransformMeta) => Promise<ResourceIdentifier | Resource | undefined>;