Cyclomatic Complexity Violation: Function should have complexity 10 or less; currently complexity is 12 (cyclomatic_complexity)

Function Body Length Violation: Function body should span 50 lines or less excluding comments and whitespace: currently spans 73 lines (function_body_length)

Redundant Optional Initialization Violation: Initializing an optional variable with nil is redundant (redundant_optional_initialization)

Vertical Whitespace Violation: Limit vertical whitespace to a single empty line; currently 2 (vertical_whitespace)

Unused Closure Parameter Violation: Unused parameter in a closure should be replaced with _ (unused_closure_parameter)

Unused Closure Parameter Violation: Unused parameter in a closure should be replaced with _ (unused_closure_parameter)

Statement Position Violation: Else and catch should be on the same line, one space after the previous declaration (statement_position)

Line Length Violation: Line should be 140 characters or less; currently it has 142 characters (line_length)