Stream (aws-s3-lwt.Aws_s3

val put : 
  (?content_type:string ->
    ?content_encoding:string ->
    ?acl:string ->
    ?cache_control:string ->
    ?expect:bool ->
    ?meta_headers:(string * string) list ->
    bucket:string ->
    key:string ->
    data:string Io.Pipe.reader ->
    chunk_size:int ->
    length:int ->
    unit ->
    etag result)
    command

val get : 
  (?range:range ->
    bucket:string ->
    key:string ->
    data:string Io.Pipe.writer ->
    unit ->
    unit result)
    command