declare type AttributeFilter = (string | RegExp)[] | RegExp | ((attribute: string, value: string) => boolean);
interface IconPrerenderPluginOptions {
/**
* A regex, an array of strings (or regexes) of HTML attributes
* (can be custom) to filter elements on
*
* If an attribute of any HTML element matches anything inside this array,
* it will be transformed into an SVG element.
*
* If this value is not provided, default filtering will be used:
*
* - Any SVG element wrapping a `` tag with an `href` or `xlink:href`
* attribute.
* - One of the following elements _with_ a `data-icon` attribute:
* - `