handler

inline fun <IN : Any, OUT : Any> handler(paramsFieldNames: Set<String>, noinline fn: (IN) -> OUT): JsonRpcHandler<NODE, NODE>
inline fun <IN : Any, OUT : Any> handler(noinline fn: (IN) -> OUT): JsonRpcHandler<NODE, NODE>
fun <OUT : Any> handler(fn: () -> OUT): JsonRpcHandler<NODE, NODE>