import { JsonObject } from 'type-fest';
type ExtendContext = Record<string, any>;
type PremitiveValue = string | number | boolean;
type ExtendValue = JsonObject[] | JsonObject | PremitiveValue[] | PremitiveValue | ((extendContext: ExtendContext) => JsonObject[] | JsonObject | PremitiveValue[] | PremitiveValue);
type ExtendFunction = (extendValue: ExtendValue) => (jsonInput: JsonObject, extendContext?: ExtendContext) => JsonObject;
export declare const createExtendFunction: (extendKey: string) => ExtendFunction;
export declare const extendOutbounds: ExtendFunction;
export declare const extendEndpoints: ExtendFunction;
export declare const combineExtendFunctions: (...args: ReturnType<ExtendFunction>[]) => ReturnType<ExtendFunction>;
export declare const render: (templateDir: string, fileName: string, extend: (...args: any[]) => any, extendContext: ExtendContext) => string;
export {};