type Family = string;
type Range = {
    min: number;
    max: number;
};
type NumberOrRange = number | Range;
type Axis = {
    tag: "BNCE";
    value: NumberOrRange;
} | {
    tag: "CASL";
    value: NumberOrRange;
} | {
    tag: "CRSV";
    value: 0 | 0.5 | 1;
} | {
    tag: "EDPT";
    value: NumberOrRange;
} | {
    tag: "EHLT";
    value: NumberOrRange;
} | {
    tag: "ELGR";
    value: NumberOrRange;
} | {
    tag: "ELSH";
    value: NumberOrRange;
} | {
    tag: "FILL";
    value: NumberOrRange;
} | {
    tag: "FLAR";
    value: NumberOrRange;
} | {
    tag: "GRAD";
    value: NumberOrRange;
} | {
    tag: "HEXP";
    value: NumberOrRange;
} | {
    tag: "INFM";
    value: NumberOrRange;
} | {
    tag: "ital";
    value: 0 | 1;
} | {
    tag: "MONO";
    value: NumberOrRange;
} | {
    tag: "MUTA";
    value: NumberOrRange;
} | {
    tag: "opsz";
    value: NumberOrRange;
} | {
    tag: "ROND";
    value: NumberOrRange;
} | {
    tag: "slnt";
    value: NumberOrRange;
} | {
    tag: "SOFT";
    value: NumberOrRange;
} | {
    tag: "SPAC";
    value: NumberOrRange;
} | {
    tag: "wdth";
    value: NumberOrRange;
} | {
    tag: "wght";
    value: NumberOrRange;
} | {
    tag: "WONK";
    value: 0 | 1;
} | {
    tag: "XOPQ";
    value: NumberOrRange;
} | {
    tag: "XROT";
    value: NumberOrRange;
} | {
    tag: "XTRA";
    value: NumberOrRange;
} | {
    tag: "YEAR";
    value: NumberOrRange;
} | {
    tag: "YOPQ";
    value: NumberOrRange;
} | {
    tag: "YROT";
    value: NumberOrRange;
} | {
    tag: "YTAS";
    value: NumberOrRange;
} | {
    tag: "YTDE";
    value: NumberOrRange;
} | {
    tag: "YTFI";
    value: NumberOrRange;
} | {
    tag: "YTLC";
    value: NumberOrRange;
} | {
    tag: "YTUC";
    value: NumberOrRange;
};
type AxisTuple = Axis[];
type Font = {
    family: Family;
    axisTupleList?: AxisTuple[];
};
type Options = {
    text?: string;
    display?: "auto" | "block" | "swap" | "fallback" | "optional";
};

declare function load(font: Font, options?: Options): void;
declare function loadAwait(font: Font, options?: Options): Promise<void>;

declare function unload(font: Font): void;
declare function unloadAll(): void;

declare function list(): Font[];

export { Family, Font, Options, list, load, loadAwait, unload, unloadAll };