pub(crate) fn generate(
	mut writer: impl std::io::Write,
	type_name: &str,
	generics: super::Generics<'_>,
	map_namespace: &impl crate::MapNamespace,
	resource_metadata: &super::ResourceMetadata<'_>,
) -> Result<(), crate::Error> {
	if let Some(metadata_ty) = &resource_metadata.metadata_ty {
		let local = crate::map_namespace_local_to_string(map_namespace)?;

		let type_generics_impl = generics.type_part.map(|part| format!("<{part}>")).unwrap_or_default();
		let type_generics_type = generics.type_part.map(|part| format!("<{part}>")).unwrap_or_default();
		let type_generics_where = generics.where_part.map(|part| format!(" where {part}")).unwrap_or_default();

		writeln!(
			writer,
			include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/templates/impl_metadata.rs")),
			local = local,
			type_name = type_name,
			type_generics_impl = type_generics_impl,
			type_generics_type = type_generics_type,
			type_generics_where = type_generics_where,
			metadata_type_name = metadata_ty,
			metadata_expr = "&self.metadata",
			metadata_mut_expr = "&mut self.metadata",
		)?;
	}

	Ok(())
}