Trying out a terser C# style

.editorconfig

# Remove the line below if you want to inherit .editorconfig settings from higher directories
root = true

# C# files
[*.cs]

#### Core EditorConfig Options ####

# Indentation and spacing
indent_size = 4
indent_style = space
tab_width = 4

# New line preferences
end_of_line = crlf
insert_final_newline = false

#### .NET Coding Conventions ####

# Organize usings
dotnet_separate_import_directive_groups = false
dotnet_sort_system_directives_first = true
file_header_template = unset

# this. and Me. preferences
dotnet_style_qualification_for_event = false:error
dotnet_style_qualification_for_field = false:error
dotnet_style_qualification_for_method = false:error
dotnet_style_qualification_for_property = false:error

# Language keywords vs BCL types preferences
dotnet_style_predefined_type_for_locals_parameters_members = true:error
dotnet_style_predefined_type_for_member_access = true:error

# Parentheses preferences
dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_other_operators = never_if_unnecessary
dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:suggestion

# Modifier preferences
dotnet_style_require_accessibility_modifiers = for_non_interface_members

# Expression-level preferences
dotnet_style_coalesce_expression = true:error
dotnet_style_collection_initializer = true
dotnet_style_explicit_tuple_names = true
dotnet_style_namespace_match_folder = true
dotnet_style_null_propagation = true:error
dotnet_style_object_initializer = true
dotnet_style_operator_placement_when_wrapping = beginning_of_line
dotnet_style_prefer_auto_properties = true:warning
dotnet_style_prefer_collection_expression = when_types_loosely_match
dotnet_style_prefer_compound_assignment = true:warning
dotnet_style_prefer_conditional_expression_over_assignment = true:warning
dotnet_style_prefer_conditional_expression_over_return = true:warning
dotnet_style_prefer_foreach_explicit_cast_in_source = when_strongly_typed
dotnet_style_prefer_inferred_anonymous_type_member_names = true:warning
dotnet_style_prefer_inferred_tuple_names = true:warning
dotnet_style_prefer_is_null_check_over_reference_equality_method = true:error
dotnet_style_prefer_simplified_boolean_expressions = true:warning
dotnet_style_prefer_simplified_interpolation = true

# Field preferences
dotnet_style_readonly_field = true:warning

# Parameter preferences
dotnet_code_quality_unused_parameters = all:warning

# Suppression preferences
dotnet_remove_unnecessary_suppression_exclusions = none

# New line preferences
dotnet_style_allow_multiple_blank_lines_experimental = true:error
dotnet_style_allow_statement_immediately_after_block_experimental = true

#### C# Coding Conventions ####

# var preferences
csharp_style_var_elsewhere = true:error
csharp_style_var_for_built_in_types = true:warning
csharp_style_var_when_type_is_apparent = true:error

# Expression-bodied members
csharp_style_expression_bodied_accessors = true:suggestion
csharp_style_expression_bodied_constructors = false:silent
csharp_style_expression_bodied_indexers = true:suggestion
csharp_style_expression_bodied_lambdas = true:suggestion
csharp_style_expression_bodied_local_functions = false:suggestion
csharp_style_expression_bodied_methods = false:silent
csharp_style_expression_bodied_operators = false:silent
csharp_style_expression_bodied_properties = true:suggestion

# Pattern matching preferences
csharp_style_pattern_matching_over_as_with_null_check = true:warning
csharp_style_pattern_matching_over_is_with_cast_check = true:suggestion
csharp_style_prefer_extended_property_pattern = true:suggestion
csharp_style_prefer_not_pattern = true:warning
csharp_style_prefer_pattern_matching = true:warning
csharp_style_prefer_switch_expression = true:warning

# Null-checking preferences
csharp_style_conditional_delegate_call = true:error

# Modifier preferences
csharp_prefer_static_anonymous_function = true:suggestion
csharp_prefer_static_local_function = true:warning
csharp_preferred_modifier_order = public,private,protected,internal,file,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,required,volatile,async
csharp_style_prefer_readonly_struct = true:warning
csharp_style_prefer_readonly_struct_member = true:suggestion

# Code-block preferences
csharp_prefer_braces = when_multiline:silent
csharp_prefer_simple_using_statement = true:error
csharp_style_namespace_declarations = file_scoped:error
csharp_style_prefer_method_group_conversion = true:suggestion
csharp_style_prefer_primary_constructors = true:error
csharp_style_prefer_top_level_statements = true:warning

# Expression-level preferences
csharp_prefer_simple_default_expression = true:error
csharp_style_deconstructed_variable_declaration = true:suggestion
csharp_style_implicit_object_creation_when_type_is_apparent = true:warning
csharp_style_inlined_variable_declaration = true:error
csharp_style_prefer_index_operator = true:warning
csharp_style_prefer_local_over_anonymous_function = true:warning
csharp_style_prefer_null_check_over_type_check = true:error
csharp_style_prefer_range_operator = true:warning
csharp_style_prefer_tuple_swap = true:warning
csharp_style_prefer_utf8_string_literals = true:error
csharp_style_throw_expression = true:warning
csharp_style_unused_value_assignment_preference = discard_variable:error
csharp_style_unused_value_expression_statement_preference = discard_variable:suggestion

# 'using' directive preferences
csharp_using_directive_placement = outside_namespace:error

# New line preferences
csharp_style_allow_blank_line_after_colon_in_constructor_initializer_experimental = true:warning
csharp_style_allow_blank_line_after_token_in_arrow_expression_clause_experimental = true:silent
csharp_style_allow_blank_line_after_token_in_conditional_expression_experimental = true:silent
csharp_style_allow_blank_lines_between_consecutive_braces_experimental = true:silent
csharp_style_allow_embedded_statements_on_same_line_experimental = true:silent

#### C# Formatting Rules ####

# New line preferences
csharp_new_line_before_catch = true
csharp_new_line_before_else = true
csharp_new_line_before_finally = true
csharp_new_line_before_members_in_anonymous_types = false
csharp_new_line_before_members_in_object_initializers = false
csharp_new_line_before_open_brace = none
csharp_new_line_between_query_expression_clauses = true

# Indentation preferences
csharp_indent_block_contents = true
csharp_indent_braces = false
csharp_indent_case_contents = true
csharp_indent_case_contents_when_block = false
csharp_indent_labels = no_change
csharp_indent_switch_labels = true

# Space preferences
csharp_space_after_cast = false
csharp_space_after_colon_in_inheritance_clause = true
csharp_space_after_comma = true
csharp_space_after_dot = false
csharp_space_after_keywords_in_control_flow_statements = true
csharp_space_after_semicolon_in_for_statement = true
csharp_space_around_binary_operators = before_and_after
csharp_space_around_declaration_statements = false
csharp_space_before_colon_in_inheritance_clause = false
csharp_space_before_comma = false
csharp_space_before_dot = false
csharp_space_before_open_square_brackets = false
csharp_space_before_semicolon_in_for_statement = false
csharp_space_between_empty_square_brackets = false
csharp_space_between_method_call_empty_parameter_list_parentheses = false
csharp_space_between_method_call_name_and_opening_parenthesis = false
csharp_space_between_method_call_parameter_list_parentheses = false
csharp_space_between_method_declaration_empty_parameter_list_parentheses = false
csharp_space_between_method_declaration_name_and_open_parenthesis = false
csharp_space_between_method_declaration_parameter_list_parentheses = false
csharp_space_between_parentheses = false
csharp_space_between_square_brackets = false

# Wrapping preferences
csharp_preserve_single_line_blocks = true
csharp_preserve_single_line_statements = true

#### Naming styles ####

# Naming rules

dotnet_naming_rule.interface_should_be_begins_with_i.severity = suggestion
dotnet_naming_rule.interface_should_be_begins_with_i.symbols = interface
dotnet_naming_rule.interface_should_be_begins_with_i.style = pascal_case

dotnet_naming_rule.types_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.types_should_be_pascal_case.symbols = types
dotnet_naming_rule.types_should_be_pascal_case.style = pascal_case

dotnet_naming_rule.non_field_members_should_be_pascal_case.severity = suggestion
dotnet_naming_rule.non_field_members_should_be_pascal_case.symbols = non_field_members
dotnet_naming_rule.non_field_members_should_be_pascal_case.style = pascal_case

# Symbol specifications

dotnet_naming_symbols.interface.applicable_kinds = interface
dotnet_naming_symbols.interface.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.interface.required_modifiers = 

dotnet_naming_symbols.types.applicable_kinds = class, struct, interface, enum
dotnet_naming_symbols.types.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.types.required_modifiers = 

dotnet_naming_symbols.non_field_members.applicable_kinds = property, event, method
dotnet_naming_symbols.non_field_members.applicable_accessibilities = public, internal, private, protected, protected_internal, private_protected
dotnet_naming_symbols.non_field_members.required_modifiers = 

# Naming styles

dotnet_naming_style.pascal_case.required_prefix = 
dotnet_naming_style.pascal_case.required_suffix = 
dotnet_naming_style.pascal_case.word_separator = 
dotnet_naming_style.pascal_case.capitalization = pascal_case

dotnet_naming_style.begins_with_i.required_prefix = I
dotnet_naming_style.begins_with_i.required_suffix = 
dotnet_naming_style.begins_with_i.word_separator = 
dotnet_naming_style.begins_with_i.capitalization = pascal_case

# CA1050: Declare types in namespaces
dotnet_diagnostic.CA1050.severity = none

# IDE1006: Naming Styles
dotnet_diagnostic.IDE1006.severity = none
dotnet_diagnostic.CA1802.severity = error
dotnet_diagnostic.CA1805.severity = error
dotnet_diagnostic.CA1825.severity = error
dotnet_diagnostic.CA1845.severity = error
dotnet_diagnostic.CA1855.severity = error
dotnet_diagnostic.CA1857.severity = error
dotnet_diagnostic.CA1870.severity = error
dotnet_diagnostic.CA2014.severity = error
dotnet_diagnostic.CA2016.severity = warning

# IDE0011: Add braces
dotnet_diagnostic.IDE0011.severity = silent

[*.{cs,vb}]
dotnet_style_coalesce_expression = true:error
dotnet_style_null_propagation = true:error
dotnet_style_prefer_is_null_check_over_reference_equality_method = true:error
dotnet_style_prefer_auto_properties = true:warning
dotnet_style_object_initializer = true:suggestion
dotnet_style_collection_initializer = true:suggestion
dotnet_style_prefer_simplified_boolean_expressions = true:warning
dotnet_style_prefer_conditional_expression_over_assignment = true:warning
dotnet_style_prefer_conditional_expression_over_return = true:warning
dotnet_style_explicit_tuple_names = true:suggestion
dotnet_style_prefer_inferred_tuple_names = true:warning
dotnet_style_prefer_inferred_anonymous_type_member_names = true:warning
dotnet_style_prefer_compound_assignment = true:warning
dotnet_style_prefer_simplified_interpolation = true:warning
dotnet_style_prefer_collection_expression = when_types_loosely_match:warning
dotnet_style_namespace_match_folder = false:suggestion
dotnet_style_operator_placement_when_wrapping = beginning_of_line
tab_width = 4
indent_size = 4
end_of_line = crlf
dotnet_style_readonly_field = true:warning
dotnet_style_predefined_type_for_locals_parameters_members = true:error
dotnet_style_predefined_type_for_member_access = true:error
dotnet_style_require_accessibility_modifiers = omit_if_default:error
dotnet_style_allow_multiple_blank_lines_experimental = true:error
dotnet_style_allow_statement_immediately_after_block_experimental = true:silent
dotnet_code_quality_unused_parameters = all:warning
dotnet_style_parentheses_in_arithmetic_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_other_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_relational_binary_operators = always_for_clarity:suggestion
dotnet_style_parentheses_in_other_operators = never_if_unnecessary:silent
dotnet_style_qualification_for_field = false:error
dotnet_style_qualification_for_property = false:error
dotnet_style_qualification_for_event = false:error
dotnet_style_qualification_for_method = false:error
dotnet_diagnostic.CA1827.severity = error
dotnet_diagnostic.CA1828.severity = error
dotnet_diagnostic.CA1829.severity = error
dotnet_diagnostic.CA1831.severity = error
dotnet_diagnostic.CA1832.severity = error
dotnet_diagnostic.CA1833.severity = error
dotnet_diagnostic.CA1834.severity = warning
dotnet_diagnostic.CA1835.severity = warning
dotnet_diagnostic.CA1836.severity = warning
dotnet_diagnostic.CA1837.severity = warning
dotnet_diagnostic.CA1838.severity = error
dotnet_diagnostic.CA1839.severity = warning
dotnet_diagnostic.CA1840.severity = warning
dotnet_diagnostic.CA1842.severity = error
dotnet_diagnostic.CA1843.severity = error
dotnet_diagnostic.CA1844.severity = warning
dotnet_diagnostic.CA1846.severity = error
dotnet_diagnostic.CA1847.severity = error
dotnet_diagnostic.CA1850.severity = warning
dotnet_diagnostic.CA1853.severity = error
dotnet_diagnostic.CA1854.severity = warning
dotnet_diagnostic.CA1858.severity = error
dotnet_diagnostic.CA1859.severity = error
dotnet_diagnostic.CA1860.severity = warning
dotnet_diagnostic.CA1861.severity = error
dotnet_diagnostic.CA1862.severity = error
dotnet_diagnostic.CA1863.severity = warning
dotnet_diagnostic.CA1868.severity = error
dotnet_diagnostic.CA1869.severity = warning
dotnet_diagnostic.CA1871.severity = warning
dotnet_diagnostic.CA1872.severity = error
dotnet_diagnostic.CA2009.severity = error
dotnet_diagnostic.CA2019.severity = warning