'List multipart upload objects within a bucket.  This returns an
instance of an MultiPartUploadListResultSet that automatically
handles all of the result paging, etc. from S3.  You just need
to keep iterating until there are no more results.
:type key_marker: string
:param key_marker: The "marker" of where you are in the result set
:type upload_id_marker: string
:param upload_id_marker: The upload identifier
:param encoding_type: Requests Amazon S3 to encode the response and
specifies the encoding method to use.
An object key can contain any Unicode character; however, XML 1.0
parser cannot parse some characters, such as characters with an
ASCII value from 0 to 10. For characters that are not supported in
XML 1.0, you can add this parameter to request that Amazon S3
encode the keys in the response.
Valid options: ``url``
:type encoding_type: string
:rtype: :class:`boto.s3.bucketlistresultset.MultiPartUploadListResultSet`
:return: an instance of a BucketListResultSet that handles paging, etc'

def list_multipart_uploads(self, key_marker='', upload_id_marker='', headers=None, encoding_type=None):

    return MultiPartUploadListResultSet(self, key_marker, upload_id_marker, headers, encoding_type=encoding_type)
