import { Target } from '@diez/engine';
import { File } from './file';
/**
 * Valid face forms for `@font-face` declarations in web.
 */
export declare const enum FontStyle {
    Normal = "normal",
    Italic = "italic"
}
/**
 * Font data.
 */
export interface FontData {
    /**
     * The font file containing the font's definition. Due to target limitations, the file _must_ be a TrueType file
     * with a `.ttf` extension or an OpenType file with an `.otf` extension.
     */
    file: File;
    /**
     * The exact, correct PostScript name of the font.
     */
    name: string;
    /**
     * An array of fallback fonts (web only).
     */
    fallbacks: string[];
    /**
     * The weight or boldness of the font (web only).
     */
    weight: number;
    /**
     * The font style (web only).
     */
    style: FontStyle;
}
/**
 * Valid Google Fonts data options.
 */
export declare type GoogleWebFontData = Pick<FontData, 'weight' | 'style'>;
declare const Font_base: new (overrides?: Partial<FontData> | undefined) => import("@diez/engine").Prefab<FontData> & FontData;
/**
 * A representation of a font resource, with a reference to a [[File]] containing a TTF or OTF font file.
 * @noinheritdoc
 */
export declare class Font extends Font_base {
    defaults: {
        file: File;
        name: string;
        fallbacks: string[];
        weight: number;
        style: FontStyle;
    };
    options: {
        fallbacks: {
            targets: Target[];
        };
        weight: {
            targets: Target[];
        };
        style: {
            targets: Target[];
        };
    };
    /**
     * Creates a Font component from a source file and its PostScript name.
     *
     * @param src - The relative path of the font file.
     * @param postscriptName - The correct PostScript name of the font contained by the font file. If blank, it is assumed
     *   the correct name is assumed to be the base name of the file minus its extension.
     */
    static fromFile(src: string, postscriptName?: string): Font;
    static googleWebFont(name: string, data: GoogleWebFontData): Font;
    toPresentableValue(): string;
}
export {};
//# sourceMappingURL=font.d.ts.map