data U64Result:
  value: u64
  err_msg: string

data U32Result:
  value: u32
  err_msg: string

service Utility:
  array_splitter_u32(array: []u32, chunk_size: u32) -> [][]u32
  array_splitter_u64(array: []u64, chunk_size: u64) -> [][]u64
  crement_u32(value: u32, step: u32, increment: bool) -> U32Result
  crement_u64(value: u64, step: u64, increment: bool) -> U64Result
  greeting(name: string) -> string



func splitter_u64(array:[]u64, chunk_size: u64, node:string, service_id: string) -> [][]u64:
  on node:
    Utility service_id
    res <- Utility.array_splitter_u64(array, chunk_size)
  <- res

func splitter_u32(array:[]u32, chunk_size: u32, node:string, service_id: string) -> [][]u32:
  on node:
    Utility service_id
    res <- Utility.array_splitter_u32(array, chunk_size)
  <- res


func increment_u64(value: u64, step: u64, incr:bool, node:string, service_id: string) -> U64Result:
  on node:
    Utility service_id
    res <- Utility.crement_u64(value, step, incr)
  <- res

func increment_u32(value: u32, step: u32, incr:bool, node:string, service_id: string) -> U64Result:
  on node:
    Utility service_id
    res <- Utility.crement_u64(value, step, incr)
  <- res