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+# Unified code style for CursorLang.
+# The rules are understood by Visual Studio, Rider, VS Code and `dotnet format`.
+# https://learn.microsoft.com/dotnet/fundamentals/code-analysis/code-style-rule-options
+
+root = true
+
+# ==========================================================================
+# Common to all files
+# ==========================================================================
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 4
+
+# Build scripts are read by Windows PowerShell 5.1: without a BOM it takes the
+# file for ANSI and mangles the Russian text in the messages
+[*.{ps1,psm1,psd1}]
+charset = utf-8-bom
+
+# In Markdown two trailing spaces at the end of a line mean a line break
+[*.{md,markdown}]
+trim_trailing_whitespace = false
+
+[*.{json,jsonc,yml,yaml}]
+indent_size = 2
+
+# Project files, XAML and other XML keep the same four spaces as the code
+[*.{csproj,vbproj,props,targets,sln,slnx,xaml,xml,resx,manifest,config,appxmanifest,nuspec}]
+indent_size = 4
+
+# Files written by the SDK rather than by a human
+[{obj,bin,artifacts}/**]
+generated_code = true
+
+# ==========================================================================
+# C#
+# ==========================================================================
+[*.cs]
+
+# A guideline for wrapping lines, not a hard limit
+max_line_length = 120
+
+#### using directives ####
+
+# System comes first and in a group separate from the rest
+dotnet_sort_system_directives_first = true
+dotnet_separate_import_directive_groups = false
+
+# using outside the namespace — more familiar and compatible with file-scoped namespace
+csharp_using_directive_placement = outside_namespace:warning
+dotnet_diagnostic.IDE0005.severity = warning
+
+#### File layout ####
+
+csharp_style_namespace_declarations = file_scoped:warning
+
+# The namespace mirrors the file path from the project root
+dotnet_diagnostic.IDE0130.severity = warning
+
+#### this. and Me. ####
+
+dotnet_style_qualification_for_field = false:warning
+dotnet_style_qualification_for_property = false:warning
+dotnet_style_qualification_for_method = false:warning
+dotnet_style_qualification_for_event = false:warning
+
+#### Language keywords instead of BCL type names ####
+
+dotnet_style_predefined_type_for_locals_parameters_members = true:warning
+dotnet_style_predefined_type_for_member_access = true:warning
+
+#### Modifiers ####
+
+dotnet_style_require_accessibility_modifiers = for_non_interface_members:warning
+csharp_preferred_modifier_order = public,private,protected,internal,file,static,extern,new,virtual,abstract,sealed,override,readonly,unsafe,required,volatile,async:suggestion
+dotnet_style_readonly_field = true:warning
+csharp_prefer_static_local_function = true:suggestion
+csharp_prefer_static_anonymous_function = true:suggestion
+
+#### var and explicit types ####
+# The type is written explicitly, except where it is already visible on the right of the equals sign
+
+csharp_style_var_for_built_in_types = false:suggestion
+csharp_style_var_when_type_is_apparent = true:suggestion
+csharp_style_var_elsewhere = false:suggestion
+
+#### Expression-bodied members ####
+# Allowed but not enforced: for long expressions a block reads better
+
+csharp_style_expression_bodied_methods = when_on_single_line:silent
+csharp_style_expression_bodied_constructors = when_on_single_line:silent
+csharp_style_expression_bodied_operators = when_on_single_line:silent
+csharp_style_expression_bodied_properties = true:silent
+csharp_style_expression_bodied_indexers = true:silent
+csharp_style_expression_bodied_accessors = true:silent
+csharp_style_expression_bodied_lambdas = true:silent
+csharp_style_expression_bodied_local_functions = when_on_single_line:silent
+
+#### Pattern matching and null checks ####
+
+csharp_style_pattern_matching_over_is_with_cast_check = true:warning
+csharp_style_pattern_matching_over_as_with_null_check = true:warning
+csharp_style_prefer_switch_expression = true:suggestion
+csharp_style_prefer_pattern_matching = true:suggestion
+csharp_style_prefer_not_pattern = true:warning
+csharp_style_prefer_extended_property_pattern = true:suggestion
+csharp_style_conditional_delegate_call = true:warning
+csharp_style_throw_expression = true:suggestion
+
+dotnet_style_coalesce_expression = true:warning
+dotnet_style_null_propagation = true:warning
+dotnet_style_prefer_is_null_check_over_reference_equality_method = true:warning
+
+#### Expressions ####
+
+dotnet_style_object_initializer = true:suggestion
+dotnet_style_collection_initializer = true:suggestion
+dotnet_style_prefer_collection_expression = when_types_loosely_match:suggestion
+dotnet_style_explicit_tuple_names = true:warning
+dotnet_style_prefer_inferred_tuple_names = true:suggestion
+dotnet_style_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
+dotnet_style_prefer_compound_assignment = true:suggestion
+dotnet_style_prefer_simplified_boolean_expressions = true:suggestion
+dotnet_style_prefer_simplified_interpolation = true:suggestion
+dotnet_style_operator_placement_when_wrapping = beginning_of_line
+csharp_style_prefer_index_operator = true:suggestion
+csharp_style_prefer_range_operator = true:suggestion
+csharp_style_implicit_object_creation_when_type_is_apparent = true:suggestion
+csharp_prefer_simple_default_expression = true:suggestion
+csharp_style_deconstructed_variable_declaration = true:suggestion
+csharp_style_inlined_variable_declaration = true:suggestion
+csharp_style_unused_value_assignment_preference = discard_variable:suggestion
+csharp_style_unused_value_expression_statement_preference = discard_variable:silent
+csharp_prefer_simple_using_statement = true:suggestion
+csharp_style_prefer_utf8_string_literals = true:suggestion
+csharp_style_prefer_readonly_struct = true:suggestion
+csharp_style_prefer_readonly_struct_member = true:suggestion
+csharp_style_prefer_primary_constructors = false:silent
+
+#### Braces and blocks ####
+
+# Braces are always used, even around a single line
+csharp_prefer_braces = true:warning
+csharp_style_prefer_top_level_statements = false:silent
+
+# Parentheses that clarify the order of operations are welcome. The hint is
+# silent: parentheses around operations of the same precedence also count as
+# redundant, and in the coordinate calculations they are there on purpose
+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
+
+#### Unused code ####
+
+dotnet_code_quality_unused_parameters = non_public:suggestion
+dotnet_remove_unnecessary_suppression_exclusions = none
+csharp_style_prefer_method_group_conversion = true:silent
+
+# ==========================================================================
+# C#: formatting
+# ==========================================================================
+
+#### Line breaks before a brace — Allman style ####
+
+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 ####
+
+csharp_indent_case_contents = true
+csharp_indent_case_contents_when_block = false
+csharp_indent_switch_labels = true
+csharp_indent_labels = one_less_than_current
+csharp_indent_block_contents = true
+csharp_indent_braces = false
+
+#### Spacing ####
+
+csharp_space_after_cast = false
+csharp_space_after_keywords_in_control_flow_statements = true
+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_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_call_parameter_list_parentheses = false
+csharp_space_between_method_call_empty_parameter_list_parentheses = false
+csharp_space_between_method_call_name_and_opening_parenthesis = false
+csharp_space_after_comma = true
+csharp_space_before_comma = false
+csharp_space_after_dot = false
+csharp_space_before_dot = false
+csharp_space_after_semicolon_in_for_statement = true
+csharp_space_before_semicolon_in_for_statement = false
+csharp_space_around_declaration_statements = false
+csharp_space_before_open_square_brackets = false
+csharp_space_between_empty_square_brackets = false
+csharp_space_between_square_brackets = false
+
+#### Line wrapping ####
+
+# Every statement and every member on its own line
+csharp_preserve_single_line_statements = false
+csharp_preserve_single_line_blocks = true
+
+# ==========================================================================
+# C#: naming
+# The rules are checked top to bottom, the first matching one wins
+# ==========================================================================
+
+#### Naming styles ####
+
+dotnet_naming_style.pascal_case.capitalization = pascal_case
+
+dotnet_naming_style.camel_case.capitalization = camel_case
+
+dotnet_naming_style.underscore_camel_case.capitalization = camel_case
+dotnet_naming_style.underscore_camel_case.required_prefix = _
+
+dotnet_naming_style.i_pascal_case.capitalization = pascal_case
+dotnet_naming_style.i_pascal_case.required_prefix = I
+
+dotnet_naming_style.t_pascal_case.capitalization = pascal_case
+dotnet_naming_style.t_pascal_case.required_prefix = T
+
+#### Interfaces: IStartupService ####
+
+dotnet_naming_symbols.interfaces.applicable_kinds = interface
+dotnet_naming_symbols.interfaces.applicable_accessibilities = *
+
+dotnet_naming_rule.interfaces_are_i_pascal_case.symbols = interfaces
+dotnet_naming_rule.interfaces_are_i_pascal_case.style = i_pascal_case
+dotnet_naming_rule.interfaces_are_i_pascal_case.severity = warning
+
+#### Type parameters: TValue ####
+
+dotnet_naming_symbols.type_parameters.applicable_kinds = type_parameter
+dotnet_naming_symbols.type_parameters.applicable_accessibilities = *
+
+dotnet_naming_rule.type_parameters_are_t_pascal_case.symbols = type_parameters
+dotnet_naming_rule.type_parameters_are_t_pascal_case.style = t_pascal_case
+dotnet_naming_rule.type_parameters_are_t_pascal_case.severity = warning
+
+#### Types and members: PascalCase ####
+
+dotnet_naming_symbols.types.applicable_kinds = class,struct,enum,delegate
+dotnet_naming_symbols.types.applicable_accessibilities = *
+
+dotnet_naming_rule.types_are_pascal_case.symbols = types
+dotnet_naming_rule.types_are_pascal_case.style = pascal_case
+dotnet_naming_rule.types_are_pascal_case.severity = warning
+
+dotnet_naming_symbols.non_field_members.applicable_kinds = method,property,event,local_function
+dotnet_naming_symbols.non_field_members.applicable_accessibilities = *
+
+dotnet_naming_rule.non_field_members_are_pascal_case.symbols = non_field_members
+dotnet_naming_rule.non_field_members_are_pascal_case.style = pascal_case
+dotnet_naming_rule.non_field_members_are_pascal_case.severity = warning
+
+#### Constants and static fields: PascalCase ####
+# Comes before the rule about private fields, otherwise they would fall under _camelCase
+
+dotnet_naming_symbols.constants.applicable_kinds = field
+dotnet_naming_symbols.constants.applicable_accessibilities = *
+dotnet_naming_symbols.constants.required_modifiers = const
+
+dotnet_naming_rule.constants_are_pascal_case.symbols = constants
+dotnet_naming_rule.constants_are_pascal_case.style = pascal_case
+dotnet_naming_rule.constants_are_pascal_case.severity = suggestion
+
+dotnet_naming_symbols.static_readonly_fields.applicable_kinds = field
+dotnet_naming_symbols.static_readonly_fields.applicable_accessibilities = *
+dotnet_naming_symbols.static_readonly_fields.required_modifiers = static,readonly
+
+dotnet_naming_rule.static_readonly_fields_are_pascal_case.symbols = static_readonly_fields
+dotnet_naming_rule.static_readonly_fields_are_pascal_case.style = pascal_case
+dotnet_naming_rule.static_readonly_fields_are_pascal_case.severity = suggestion
+
+#### Public fields: PascalCase ####
+
+dotnet_naming_symbols.public_fields.applicable_kinds = field
+dotnet_naming_symbols.public_fields.applicable_accessibilities = public,internal,protected,protected_internal
+
+dotnet_naming_rule.public_fields_are_pascal_case.symbols = public_fields
+dotnet_naming_rule.public_fields_are_pascal_case.style = pascal_case
+dotnet_naming_rule.public_fields_are_pascal_case.severity = warning
+
+#### Private fields: _camelCase ####
+
+dotnet_naming_symbols.private_fields.applicable_kinds = field
+dotnet_naming_symbols.private_fields.applicable_accessibilities = private,private_protected
+
+dotnet_naming_rule.private_fields_are_underscore_camel_case.symbols = private_fields
+dotnet_naming_rule.private_fields_are_underscore_camel_case.style = underscore_camel_case
+dotnet_naming_rule.private_fields_are_underscore_camel_case.severity = suggestion
+
+#### Parameters and local variables: camelCase ####
+
+dotnet_naming_symbols.parameters_and_locals.applicable_kinds = parameter,local
+dotnet_naming_symbols.parameters_and_locals.applicable_accessibilities = *
+
+dotnet_naming_rule.parameters_and_locals_are_camel_case.symbols = parameters_and_locals
+dotnet_naming_rule.parameters_and_locals_are_camel_case.style = camel_case
+dotnet_naming_rule.parameters_and_locals_are_camel_case.severity = suggestion
+
+# ==========================================================================
+# Tests
+# ==========================================================================
+[CursorLang.Tests/**/*.cs]
+
+# A test name is a sentence with underscores instead of spaces:
+# in the run report it is read by a human, not called by other code
+dotnet_diagnostic.IDE1006.severity = none
+
+# ==========================================================================
+# Win32 and WinRT wrappers
+# ==========================================================================
+[CursorLang/Interop/*.cs]
+
+# Function, constant and field names repeat the Windows documentation: they are
+# easier to search for in the code when written the same way as in the API description
+dotnet_diagnostic.IDE1006.severity = none