formatted all files.

analysis_options.yaml

@@ -25,3 +25,8 @@ linter:
     prefer_int_literals: false
     sort_constructors_first: false
     avoid_redundant_argument_values: false
+    always_put_required_named_parameters_first: false
+    unnecessary_breaks: false
+    avoid_catches_without_on_clauses: false
+    cascade_invocations: false
+    overridden_fields: false