.editorconfig

[*.cs]
csharp_new_line_before_catch = false
csharp_new_line_before_else = false
csharp_new_line_before_finally = false
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 = false

BrokenFormatter.cs

_ = new {
    a = 2,
    b = new int[,] { { 1, 2, 3 }, { 4, 5, 6 },
{3,4,5} },
} switch { { a: 2 } => true, {
    a: 3
} => true,
    _ => false,
}; {
    {
        _ = 2;
    }
}