export declare function isValidTypographyToken(tokenName: string): {
    value: string;
    filePath: string;
    isSource: boolean;
    attributes: {
        group: string;
        state: string;
        introduced: string;
        description: string;
        suggest?: string[];
        deprecated?: string;
        replacement?: string;
    };
    original: {
        value: string | {
            fontWeight: string;
            fontSize: string;
            lineHeight: string;
            fontFamily: string;
            fontStyle: string;
            letterSpacing: string;
        };
        attributes: {
            group: string;
            state: string;
            introduced: string;
            description: string;
            suggest?: string[];
            deprecated?: string;
            replacement?: string;
        };
    };
    name: string;
    path: string[];
    cleanName: string;
} | undefined;