Information about an icon belonging to an extension.

interface IconInfo {
    size: number;
    url: string;
}
Index
size: number

A number representing the width and height of the icon. Likely values include (but are not limited to) 128, 48, 24, and 16.

url: string

The URL for this icon image. To display a grayscale version of the icon (to indicate that an extension is disabled, for example), append ?grayscale=true to the URL.