Use file-scoped namespaces

Run `dotnet format` to convert code files to use file-scoped namespaces.

Author: martincostello

.editorconfig

@@ -1,151 +1,154 @@
-############################### 
-# Core EditorConfig Options   # 
-############################### 
+###############################
+# Core EditorConfig Options   #
+###############################
 
 root = true
 
 # All files
 
-[*] 
+[*]
 end_of_line = crlf
 indent_size = 4
-indent_style = space 
+indent_style = space
 insert_final_newline = true
 trim_trailing_whitespace = true
 
 [*.{csproj,json,props,ruleset,targets}]
 indent_size = 2
 
-# Code files 
-
-[*.{cs,csx,vb,vbx}] 
-charset = utf-8-bom 
-
-############################### 
-# .NET Coding Conventions     # 
-############################### 
-
-[*.{cs,vb}] 
-
-# Organize usings 
-dotnet_sort_system_directives_first = true 
-
-# this. preferences 
-dotnet_style_qualification_for_field = false:silent 
-dotnet_style_qualification_for_property = false:silent 
-dotnet_style_qualification_for_method = false:silent 
-dotnet_style_qualification_for_event = false:silent 
-
-# Language keywords vs BCL types preferences 
-dotnet_style_predefined_type_for_locals_parameters_members = true:silent 
-dotnet_style_predefined_type_for_member_access = true:silent 
-
-# Parentheses preferences 
-dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:silent 
-dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:silent 
-dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:silent 
-dotnet_style_parentheses_in_other_operators = never_if_unnecessary:silent 
-
-# Modifier preferences 
-dotnet_style_require_accessibility_modifiers = for_non_interface_members:silent 
-dotnet_style_readonly_field = true:suggestion 
-
-# Expression-level preferences 
-dotnet_style_object_initializer = true:suggestion 
-dotnet_style_collection_initializer = true:suggestion 
-dotnet_style_explicit_tuple_names = true:suggestion 
-dotnet_style_null_propagation = true:suggestion 
-dotnet_style_coalesce_expression = true:suggestion 
-dotnet_style_prefer_is_null_check_over_reference_equality_method = true:silent 
-dotnet_prefer_inferred_tuple_names = true:suggestion 
-dotnet_prefer_inferred_anonymous_type_member_names = true:suggestion 
-dotnet_style_prefer_auto_properties = true:silent 
-dotnet_style_prefer_conditional_expression_over_assignment = true:silent 
-dotnet_style_prefer_conditional_expression_over_return = true:silent 
-
-############################### 
-# Naming Conventions          # 
-############################### 
-
-# Style Definitions 
-dotnet_naming_style.pascal_case_style.capitalization             = pascal_case 
-
-# Use PascalCase for constant fields   
-dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = suggestion 
-dotnet_naming_rule.constant_fields_should_be_pascal_case.symbols  = constant_fields 
-dotnet_naming_rule.constant_fields_should_be_pascal_case.style    = pascal_case_style 
-dotnet_naming_symbols.constant_fields.applicable_kinds            = field 
-dotnet_naming_symbols.constant_fields.applicable_accessibilities  = * 
-dotnet_naming_symbols.constant_fields.required_modifiers          = const 
-
-############################### 
-# C# Coding Conventions       # 
-############################### 
-
-[*.cs] 
-
-# var preferences 
-csharp_style_var_for_built_in_types = false:suggestion 
-csharp_style_var_when_type_is_apparent = true:silent 
-csharp_style_var_elsewhere = true:silent 
-
-# Expression-bodied members 
-csharp_style_expression_bodied_methods = false:silent 
-csharp_style_expression_bodied_constructors = false:silent 
-csharp_style_expression_bodied_operators = false:silent 
-csharp_style_expression_bodied_properties = true:silent 
-csharp_style_expression_bodied_indexers = true:silent 
-csharp_style_expression_bodied_accessors = true:silent 
-
-# Pattern matching preferences 
-csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion 
-csharp_style_pattern_matching_over_as_with_null_check = true:suggestion 
-
-# Null-checking preferences 
-csharp_style_throw_expression = true:suggestion 
-csharp_style_conditional_delegate_call = true:suggestion 
-
-# Modifier preferences 
-csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async:suggestion 
-
-# Expression-level preferences 
-csharp_prefer_braces = true:silent 
-csharp_style_deconstructed_variable_declaration = true:suggestion 
-csharp_prefer_simple_default_expression = true:suggestion 
-csharp_style_pattern_local_over_anonymous_function = true:suggestion 
-csharp_style_inlined_variable_declaration = true:suggestion 
-
-############################### 
-# C# Formatting Rules         # 
-############################### 
-
-# New line preferences 
-csharp_new_line_before_open_brace = all 
-csharp_new_line_before_else = true 
-csharp_new_line_before_catch = true 
-csharp_new_line_before_finally = true 
-csharp_new_line_before_members_in_object_initializers = true 
-csharp_new_line_before_members_in_anonymous_types = true 
-csharp_new_line_between_query_expression_clauses = true 
-
-# Indentation preferences 
-csharp_indent_case_contents = true 
-csharp_indent_switch_labels = true 
-csharp_indent_labels = flush_left 
-
-# Space preferences 
-csharp_space_after_cast = false 
-csharp_space_after_keywords_in_control_flow_statements = true 
-csharp_space_between_method_call_parameter_list_parentheses = false 
-csharp_space_between_method_declaration_parameter_list_parentheses = false 
-csharp_space_between_parentheses = false 
-csharp_space_before_colon_in_inheritance_clause = true 
-csharp_space_after_colon_in_inheritance_clause = true 
-csharp_space_around_binary_operators = before_and_after 
-csharp_space_between_method_declaration_empty_parameter_list_parentheses = false 
-csharp_space_between_method_call_name_and_opening_parenthesis = false 
-csharp_space_between_method_call_empty_parameter_list_parentheses = false 
-
-# Wrapping preferences 
-csharp_preserve_single_line_statements = true 
-csharp_preserve_single_line_blocks = true 
+# Code files
+
+[*.{cs,csx,vb,vbx}]
+charset = utf-8-bom
+
+###############################
+# .NET Coding Conventions     #
+###############################
+
+[*.{cs,vb}]
+
+# Organize usings
+dotnet_sort_system_directives_first = true
+
+# this. preferences
+dotnet_style_qualification_for_field = false:silent
+dotnet_style_qualification_for_property = false:silent
+dotnet_style_qualification_for_method = false:silent
+dotnet_style_qualification_for_event = false:silent
+
+# Language keywords vs BCL types preferences
+dotnet_style_predefined_type_for_locals_parameters_members = true:silent
+dotnet_style_predefined_type_for_member_access = true:silent
+
+# Parentheses preferences
+dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:silent
+dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:silent
+dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:silent
+dotnet_style_parentheses_in_other_operators = never_if_unnecessary:silent
+
+# Modifier preferences
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:silent
+dotnet_style_readonly_field = true:suggestion
+
+# Expression-level preferences
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_explicit_tuple_names = true:suggestion
+dotnet_style_null_propagation = true:suggestion
+dotnet_style_coalesce_expression = true:suggestion
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:silent
+dotnet_prefer_inferred_tuple_names = true:suggestion
+dotnet_prefer_inferred_anonymous_type_member_names = true:suggestion
+dotnet_style_prefer_auto_properties = true:silent
+dotnet_style_prefer_conditional_expression_over_assignment = true:silent
+dotnet_style_prefer_conditional_expression_over_return = true:silent
+
+###############################
+# Naming Conventions          #
+###############################
+
+# Style Definitions
+dotnet_naming_style.pascal_case_style.capitalization             = pascal_case
+
+# Use PascalCase for constant fields
+dotnet_naming_rule.constant_fields_should_be_pascal_case.severity = suggestion
+dotnet_naming_rule.constant_fields_should_be_pascal_case.symbols  = constant_fields
+dotnet_naming_rule.constant_fields_should_be_pascal_case.style    = pascal_case_style
+dotnet_naming_symbols.constant_fields.applicable_kinds            = field
+dotnet_naming_symbols.constant_fields.applicable_accessibilities  = *
+dotnet_naming_symbols.constant_fields.required_modifiers          = const
+
+###############################
+# C# Coding Conventions       #
+###############################
+
+[*.cs]
+
+# var preferences
+csharp_style_var_for_built_in_types = false:suggestion
+csharp_style_var_when_type_is_apparent = true:silent
+csharp_style_var_elsewhere = true:silent
+
+# Expression-bodied members
+csharp_style_expression_bodied_methods = false:silent
+csharp_style_expression_bodied_constructors = false:silent
+csharp_style_expression_bodied_operators = false:silent
+csharp_style_expression_bodied_properties = true:silent
+csharp_style_expression_bodied_indexers = true:silent
+csharp_style_expression_bodied_accessors = true:silent
+
+# Pattern matching preferences
+csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
+csharp_style_pattern_matching_over_as_with_null_check = true:suggestion
+
+# Null-checking preferences
+csharp_style_throw_expression = true:suggestion
+csharp_style_conditional_delegate_call = true:suggestion
+
+# Modifier preferences
+csharp_preferred_modifier_order = public,private,protected,internal,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,volatile,async:suggestion
+
+# Expression-level preferences
+csharp_prefer_braces = true:silent
+csharp_style_deconstructed_variable_declaration = true:suggestion
+csharp_prefer_simple_default_expression = true:suggestion
+csharp_style_pattern_local_over_anonymous_function = true:suggestion
+csharp_style_inlined_variable_declaration = true:suggestion
+
+# Namespace preferences
+csharp_style_namespace_declarations = file_scoped:warning
+
+###############################
+# C# Formatting Rules         #
+###############################
+
+# New line preferences
+csharp_new_line_before_open_brace = all
+csharp_new_line_before_else = true
+csharp_new_line_before_catch = true
+csharp_new_line_before_finally = true
+csharp_new_line_before_members_in_object_initializers = true
+csharp_new_line_before_members_in_anonymous_types = true
+csharp_new_line_between_query_expression_clauses = true
+
+# Indentation preferences
+csharp_indent_case_contents = true
+csharp_indent_switch_labels = true
+csharp_indent_labels = flush_left
+
+# Space preferences
+csharp_space_after_cast = false
+csharp_space_after_keywords_in_control_flow_statements = true
+csharp_space_between_method_call_parameter_list_parentheses = false
+csharp_space_between_method_declaration_parameter_list_parentheses = false
+csharp_space_between_parentheses = false
+csharp_space_before_colon_in_inheritance_clause = true
+csharp_space_after_colon_in_inheritance_clause = true
+csharp_space_around_binary_operators = before_and_after
+csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+
+# Wrapping preferences
+csharp_preserve_single_line_statements = true
+csharp_preserve_single_line_blocks = true