🎨 Stylistic: this is a stylistic rule used by the formatting feature.

Whether there should be a trailing comma after the last key-value pair in entity selectors or not.

• (boolean)

{
    "selectorTrailingComma": false
}

kill @e[type=!minecraft:player,tag=foo]

kill @e[type=!minecraft:player,tag=foo,]

{
    "selectorTrailingComma": true
}

kill @e[type=!minecraft:player,tag=foo,]

kill @e[type=!minecraft:player,tag=foo]

This rule was introduced in DHP 2.0.0.