Add balanced_blank_lines opt-in rule validating leading and trailing blank lines in bodies

[Johennes]

Closes #2241

[Johennes]

The code in here could probably use some simplification but I first wanted to get feedback on whether the approach of combining a regex search with structure analysis would be appropriate here.

[SwiftLintBot]

	2233 Warnings
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/App/AppDelegate.swift:50:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 916, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 920, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Controllers/Preferences.swift:145:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 780, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 800, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/AssetLoaderDelegate.swift:85:64: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 11060, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 11096, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoCache.swift:218:84: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 28808, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 28844, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoCache.swift:234:92: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 31256, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 31292, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:77:86: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 10932, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 10968, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:112:58: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 16620, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 16688, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:151:13: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 24136, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 24204, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:93:75: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 12964, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 13000, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:160:68: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 25228, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 25232, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:168:84: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 26196, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 26232, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:202:67: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 31004, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 31040, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoLoader.swift:238:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 36884, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 36888, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoDownload.swift:88:5: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 10928, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 10964, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoDownload.swift:138:9: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 18040, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 18044, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoDownload.swift:178:5: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 23796, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 23832, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/Cache/VideoDownload.swift:180:49: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 24076, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 24112, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Controllers/PreferencesWindowController.swift:22:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1488, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1508, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Controllers/PreferencesWindowController.swift:73:5: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 7260, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 7296, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Controllers/PreferencesWindowController.swift:259:5: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 31304, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 31308, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Controllers/PreferencesWindowController.swift:294:5: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 35036, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 35072, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Controllers/PreferencesWindowController.swift:484:13: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 59836, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 59904, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Tests/PreferencesTests.swift:29:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 884, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 904, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Aerial: /Users/distiller/project/osscheck/Aerial/Aerial/Source/Models/ManifestLoader.swift:75:9: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 8616, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 8668, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Example/Source/AppDelegate.swift:64:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5296, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5300, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Example/Source/MasterViewController.swift:96:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5184, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5188, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/MultipartFormData.swift:580:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 9084, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 9088, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/ParameterEncoding.swift:315:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 13356, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 13360, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/ParameterEncoding.swift:402:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 54132, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 54136, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/ParameterEncoding.swift:477:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 67868, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 67872, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/Request.swift:237:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 13704, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 13708, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/Request.swift:418:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 51648, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 51652, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/Request.swift:553:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 61768, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 61772, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/Request.swift:626:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 83432, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 83436, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/TaskDelegate.swift:183:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5832, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5836, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/TaskDelegate.swift:300:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 27424, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 27428, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/TaskDelegate.swift:417:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 42472, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 42476, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/TaskDelegate.swift:466:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 57492, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 57496, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/Validation.swift:153:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 4968, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 4972, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/AFError+AlamofireTests.swift:176:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5012, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5016, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/SessionDelegate.swift:235:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5384, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5388, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Source/SessionManager.swift:896:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5436, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5440, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/FileManager+AlamofireTests.swift:88:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5048, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5052, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/NetworkReachabilityManagerTests.swift:250:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5472, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5476, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/CacheTests.swift:355:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 9660, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 9664, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ParameterEncodingTests.swift:655:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5868, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5872, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ParameterEncodingTests.swift:891:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 103832, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 103836, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ResponseSerializationTests.swift:571:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 6452, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 6456, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ResponseSerializationTests.swift:1204:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 74720, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 74724, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/SessionDelegateTests.swift:533:88: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 78656, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 78660, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/SessionDelegateTests.swift:569:88: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 84052, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 84056, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/SessionManagerTests.swift:778:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5268, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5272, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/URLProtocolTests.swift:91:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 5188, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5192, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/URLProtocolTests.swift:110:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 13008, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 13012, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/UploadTests.swift:691:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 37068, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 37072, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ServerTrustPolicyTests.swift:578:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 62256, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 62260, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ServerTrustPolicyTests.swift:778:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 88928, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 88932, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ServerTrustPolicyTests.swift:1211:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 119436, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 119440, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Alamofire: /Users/distiller/project/osscheck/Alamofire/Tests/ServerTrustPolicyTests.swift:1526:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 184440, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 184444, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Account/FxAClient10.swift:468:132: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 77748, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 77816, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Account/FxAClient10.swift:566:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 86668, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 86672, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Account/TokenServerClient.swift:159:32: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 25804, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 25808, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Application/DebugSettingsBundleOptions.swift:18:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1044, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1048, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Application/QuickActions.swift:93:154: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 16972, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 16976, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Application/QuickActions.swift:142:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 3460, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 3464, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Application/NavigationRouter.swift:149:182: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 24848, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 24852, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Extensions/SnapKitExtensions.swift:16:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1036, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1040, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Extensions/NSURLExtensionsMailTo.swift:55:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 2020, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 2024, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Extensions/UIImageViewExtensions.swift:69:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1192, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1196, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Application/AppDelegate.swift:222:120: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 37744, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 37748, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Application/AppDelegate.swift:260:67: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 44588, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 44592, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Application/AppDelegate.swift:407:147: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 69884, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 69888, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Frontend/Accessors/HomePageAccessors.swift:25:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1648, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1652, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Extensions/UIAlertControllerExtensions.swift:25:81: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 4352, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 4356, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Extensions/UIAlertControllerExtensions.swift:157:53: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 26724, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 26728, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Extensions/UIAlertControllerExtensions.swift:190:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1632, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1636, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Frontend/AuthenticationManager/SensitiveViewController.swift:27:5: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 4996, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 5000, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Frontend/Browser/BackForwardListAnimator.swift:33:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1204, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1224, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Frontend/Browser/BackForwardListAnimator.swift:70:9: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 13024, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 13076, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Frontend/Browser/Authenticator.swift:153:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 33192, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 33196, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Frontend/Browser/BackForwardTableViewCell.swift:97:5: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 0, range: nil) / (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 15180, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 15184, _cache: Swift.String.Index._Cache.utf16))))) (balanced_blank_lines)
⚠️	This PR introduced a violation in Firefox: /Users/distiller/project/osscheck/Firefox/Client/Frontend/Browser/BackForwardTableViewCell.swift:143:1: warning: Balanced Blank Lines Violation: Blank lines at the beginning and end of a body should be balanced (found (count: 1, range: Optional(Range(Swift.String.Index(_compoundOffset: 1140, _cache: Swift.String.Index._Cache.utf16)..<Swift.String.Index(_compoundOffset: 1160, _cache: Swift.String.Index._Cache.utf16)))) / (count: 0, range: nil)) (balanced_blank_lines)
⚠️	Danger found 2233 violations with this PR. Due to GitHub's max issue comment size, the number shown has been truncated to 82.

	12 Messages
📖	Linting Aerial with this PR took 0.43s vs 0.37s on master (16% slower)
📖	Linting Alamofire with this PR took 3.49s vs 3.11s on master (12% slower)
📖	Linting Firefox with this PR took 14.46s vs 11.63s on master (24% slower)
📖	Linting Kickstarter with this PR took 21.55s vs 16.74s on master (28% slower)
📖	Linting Moya with this PR took 2.21s vs 1.85s on master (19% slower)
📖	Linting Nimble with this PR took 1.78s vs 1.5s on master (18% slower)
📖	Linting Quick with this PR took 0.53s vs 0.5s on master (6% slower)
📖	Linting Realm with this PR took 3.72s vs 3.15s on master (18% slower)
📖	Linting SourceKitten with this PR took 1.08s vs 1.0s on master (8% slower)
📖	Linting Sourcery with this PR took 5.15s vs 4.41s on master (16% slower)
📖	Linting Swift with this PR took 32.02s vs 27.82s on master (15% slower)
📖	Linting WordPress with this PR took 15.64s vs 14.99s on master (4% slower)

Generated by 🚫 Danger

[Johennes]

Any chance this could be reviewed?

[stale]

This issue has been automatically marked as stale because it has not had any recent activity. Please comment to prevent this issue from being closed. Thank you for your contributions!