export declare const rpcMethodBrand: unique symbol;
export declare type RpcMethod<Arguments extends any[], Return extends any> = {
    [rpcMethodBrand]: true;
};
export declare type AnyRpcMethod = RpcMethod<any, any>;
export declare function rpcMethod<Arguments extends any[], Return extends any>(): RpcMethod<Arguments, Return>;
export declare type RpcMethods = {
    [K: string]: AnyRpcMethod | RpcMethods;
};
export declare function isRpcMethod(t: any): t is AnyRpcMethod;
export declare function getFlattenRpcMethods(methods: RpcMethods, prefix?: string): Record<string, AnyRpcMethod>;
export declare function rpcProtocol<T extends RpcProtocolInput>(i: T): T & RpcProtocolMeta;
export declare type RpcProtocolInput = {
    server: RpcMethods;
    client: RpcMethods;
};
export declare type RpcProtocolMeta = {
    flattenServer: Record<string, AnyRpcMethod>;
    flattenClient: Record<string, AnyRpcMethod>;
};
export declare type RpcProtocol = RpcProtocolInput & RpcProtocolMeta;
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