{% for subsystemName, subsystem in trendingManager.trendingDB.items() -%}
{%- if subsystem != {} -%}
{# groupSelectionPatten should always be a valid proxy for a valid link #}
{# The value "nonSubsystemEmptyString" is interpreted in the validation function for the hist group, so it shouldn't show up anywhere else! #}
{{ subsystemName }}
{%- for name, trendingObject in subsystem.items() -%}
{# The value "nonSubsystemEmptyString" is interpreted in the validation function for the hist group, so it shouldn't show up anywhere else! #}
{{ name }}
{%- endfor -%}
{%- endif -%}
{% endfor %}