{%- if diagnostics -%}
<diagnostic_field_description>
content: The diagnostic content
start_line: The starting line of the diagnostic (1-indexed)
end_line: The final line of the diagnostic (1-indexed)
severity: The severity of the diagnostic
source: The source of the diagnostic
</diagnostic_field_description>
<diagnostics>
{{diagnostics}}
</diagnostics>
{%- endif %}