{
  "_comment": "Whitelist of chart_type names the infographics_generator is allowed to pick from.",
  "_usage": [
    "1) Copy this file to allowed_chart_types.json (same directory), OR",
    "   set ALLOWED_CHART_TYPES_FILE=<path> to point at a custom location.",
    "2) Edit the 'chart_types' list below to the chart_type values you care about.",
    "3) Empty list / missing file means 'no filtering' (legacy behaviour).",
    "Granularity is chart_type (NOT chart_name). All chart_name variations whose",
    "directory lives under the listed chart_type folder will become selectable.",
    "Run `awk -F' / ' '{print $1}' template_list.txt | sort -u` to see the full set."
  ],
  "chart_types": [
    "bump chart",
    "bar chart",
    "line graph",
    "bubble chart",
    "scatterplot"
  ]
}