def keys [] {
  ^kv list | lines | each { |line| $line | str trim }
}

export extern "kv get" [
  key: string@keys # Key
]

export extern "kv set" [
  key: string      # Key
  value: string    # Value
  ...value: string # Value cont.
]

export extern "kv del" [
  key: string@keys #Key
]

export extern "kv list" [
  prefix?: string # Key prefix filter
]