config/sublime/Packages/AAAPackageDev/Snippets/Settings Development/Settings Development.sublime-completions

{
    "scope": "source.sublime-settings",

    "completions": [
        { "trigger": "s", "contents": "\"$1\":$0" },
        { "trigger": "i", "contents": "\"$1\":$0" },

        { "trigger": "ss", "contents": "\"$1\": {$0}" },
        { "trigger": "ii", "contents": "\"$1\": {$0}" },

        { "trigger": "arr", "contents": "[$0]" }
    ]
}