<commit_before>public protocol Attachment {

  var thumbnail: URLStringConvertible? { get }
}<commit_msg>Add source to Attachment protocol<commit_after>public protocol Attachment {

  var thumbnail: URLStringConvertible? { get }
  var source: URLStringConvertible? { get }
}
{'fraction_non_alphanumeric': 0.08029197080291971, 'fraction_numerical': 0.0, 'mean_word_length': 6.051282051282051, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '4096960', 'n_tokens_mistral': 79, 'n_tokens_neox': 75, 'n_words': 22}