FunctionImageToken

interface FunctionImageToken {
    chi: (CommentToken | UrlToken)[];
    loc?: Location;
    parent?: any;
    tokens?: Token[] | null;
    typ: ImageFunctionTokenType;
    val:
        | "linear-gradient"
        | "radial-gradient"
        | "repeating-linear-gradient"
        | "repeating-radial-gradient"
        | "conic-gradient"
        | "image"
        | "image-set"
        | "element"
        | "cross-fade";
}