Function emit_csharp_doc 

pub fn emit_csharp_doc(
    out: &mut String,
    doc: &str,
    indent: &str,
    exception_class: &str,
)

Emit C# XML documentation comments (///

…

) Used for C# classes, structs, methods, and properties.

Translates rustdoc sections (# Arguments → <param>, # Returns → <returns>, # Errors → <exception>, # Example → <example><code>) via render_csharp_xml_sections.

exception_class is the C# exception class name to use in <exception cref="..."> tags.