gistfile1.js

CSSModel.prototype = {
    stylesForNode: NodeStyle
    styleSheets: Array<CSSStyleSheet>
}

/** CSSRule **/
CSSRule.Events = {
    Outdated,
    SelectorUpdated,
    StyleUpdated
}
CSSRule.prototype = {
    outdated: boolean
    mediaList: ?Array<CSSMedia>
    selectorList: ?Array<CSSSelector>
    style: CSSStyleDeclaration
    ...
}

/** CSSMedia **/
CSSMedia.Events = {
    Outdated,
    Updated
}
CSSMedia.prototype = {
    outdated: boolean
    ...
}

/** CSSStyleSheet **/
CSSStyleSheet.Events = {
    TextUpdated
}
CSSStyleSheet.prototype = {
    text: Promise<String>
    setText: function(String)
}