import { CssText, PropValue, NehanElement, NativeStyleMap, ILogicalCssEvaluator } from "./public-api";
export interface FontShorthand {
    "font-style"?: string;
    "font-variant"?: string;
    "font-weight"?: string;
    "font-stretch"?: string;
    "line-height"?: string;
    "font-size": string;
    "font-family": string;
}
declare type FontShorthandKey = keyof FontShorthand;
export declare enum FontSizeKeyword {
    XX_SMALL = "xx-small",
    X_SMALL = "x-small",
    SMALL = "small",
    MEDIUM = "medium",
    LARGE = "large",
    X_LARGE = "x-large",
    XX_LARGE = "xx-large"
}
export declare enum FontSizeKeywordRelative {
    SMALLER = "smaller",
    LARGER = "larger"
}
export declare const FontSizeKeywords: unknown[];
export declare const FontSizeKeywordsRelative: unknown[];
export declare const FontSizeKeywordSize: {
    [keyword: string]: number;
};
export declare const FontSizeKeywordRelativeSize: {
    [keyword: string]: string;
};
export declare class Font {
    style: string;
    variant: string;
    weight: string;
    stretch: string;
    size: number;
    lineHeight: string;
    family: string;
    constructor();
    get css(): string;
    get lineExtent(): number;
    static parseShorthand(text: CssText): PropValue<FontShorthandKey, string>[];
    static load(element: NehanElement): Font;
    acceptCssEvaluator(visitor: ILogicalCssEvaluator): NativeStyleMap;
}
export {};