type AnyEnvironmentFunction = (...args: never[]) => unknown;
type FarmEnvironment = "server" | "client";
interface FarmIsomorphicFnOptions<TArgs extends unknown[], TServerResult, TClientResult> {
    server: (...args: TArgs) => TServerResult;
    client: (...args: TArgs) => TClientResult;
}
declare class FarmEnvironmentError extends Error {
    readonly api: "createServerOnlyFn" | "createClientOnlyFn";
    readonly expected: FarmEnvironment;
    readonly actual: FarmEnvironment;
    readonly code = "FARM_ENVIRONMENT_MISMATCH";
    constructor(api: "createServerOnlyFn" | "createClientOnlyFn", expected: FarmEnvironment, actual: FarmEnvironment);
}
declare function createServerOnlyFn<TFunction extends AnyEnvironmentFunction>(implementation: TFunction): TFunction;
declare function createClientOnlyFn<TFunction extends AnyEnvironmentFunction>(implementation: TFunction): TFunction;
declare function createIsomorphicFn<TArgs extends unknown[], TServerResult, TClientResult>(options: FarmIsomorphicFnOptions<TArgs, TServerResult, TClientResult>): (...args: TArgs) => TServerResult | TClientResult;

export { type FarmEnvironment, FarmEnvironmentError, type FarmIsomorphicFnOptions, createClientOnlyFn, createIsomorphicFn, createServerOnlyFn };