import * as ds from "./Types";
import { ObjectManager } from "./ObjectManager";
import { ObjectBase } from "./ObjectBase";
import { type Font } from "./Font";
/**
 * Represents a collection of fonts.
 **/
export declare class FontCollection extends ObjectBase {
    /**
     * Creates an empty {@link FontCollection} instance.
     **/
    constructor();
    /**
     * Creates an empty {@link FontCollection} instance.
     * @param om An object manager that controls the lifetime of the {@link FontCollection} object.
     **/
    constructor(om: ObjectManager);
    /**
     * Gets the default {@link FontCollection} instance.
     * @returns The default {@link FontCollection} instance.
     **/
    static getDefaultCollection(): FontCollection;
    /**
     * Gets the default {@link FontCollection} instance.
     * @param om An object manager that controls the lifetime of the {@link FontCollection} object.
     * @returns The default {@link FontCollection} instance.
     **/
    static getDefaultCollection(om: ObjectManager): FontCollection;
    /**
     * Gets or sets the default font for the current font collection.
     **/
    get defaultFont(): Font | null;
    /**
     * Gets or sets the default font for the current font collection.
     **/
    set defaultFont(font: Font | null);
    /**
     * Loads a font or font collection from the byte array.
     * @param fontBytes The binary data of the font.
     * @param [fallbackFont=false] true if the font should be added to the list of fallback fonts, false otherwise.
     * @param [defaultFont=false] true if the font should be set as default font, false otherwise.
     **/
    loadFont(fontBytes: Uint8Array, fallbackFont?: boolean, defaultFont?: boolean): void;
    /**
     * Adds the specified font to the {@link FontCollection}.
     * @param font The {@link Font} object to add, if the {@link Font} is not yet added.
     * @param [fallbackFont=false] true if the font should also be added to the list of fallback fonts, false otherwise.
     * @param [defaultFont=false] true if the font should be set as default font, false otherwise.
     **/
    addFont(font: Font, fallbackFont?: boolean, defaultFont?: boolean): void;
    /**
     * Searches for a font with specified options in the {@link FontCollection}.
     * @returns The {@link Font} found, or null if not found.
     **/
    searchFont(searchFontOptions: ds.SearchFontOptions): Font | null;
    [Symbol.iterator](): Generator<Font, void, unknown>;
    /**
     * Gets the number of fonts in the {@link FontCollection}.
     **/
    get count(): number;
    /**
     * Gets the font with the specified index from the {@link FontCollection}.
     **/
    getAt(index: number): Font;
    /**
     * Determines whether the font is in the {@link FontCollection}.
     * @param font The Font to be searched.
     **/
    contains(font: Font): boolean;
    /**
     * Gets the index of the font in the {@link FontCollection}, or -1 if the font is not found.
     * @param font The {@link Font} to be searched.
     **/
    indexOf(font: Font): number;
    /**
     * Removes the specified font from the {@link FontCollection}.
     * @param font The {@link Font} to be removed from the collection.
     * @returns true if the font was actually removed, false otherwise.
     **/
    remove(font: Font): boolean;
    /**
     * Removes a font at the specified index.
     **/
    removeAt(index: number): void;
    /**
     * Removes all fonts from the {@link FontCollection}.
     **/
    clear(): void;
    /**
     * Adds the specified font as fallback to the {@link FontCollection}.
     * @param font The {@link Font} to be added as fallback font.
     **/
    addFallbackFont(font: Font): void;
    /**
     * Removes the specified font from fallbacks of the {@link FontCollection}.
     * @param font The {@link Font} to be removed from fallback fonts.
     **/
    removeFallbackFont(font: Font): void;
    /**
     * Clears the list of fallback fonts in the {@link FontCollection}.
     **/
    clearFallbackFonts(): void;
    /**
     * Creates a copy of the {@link FontCollection}.
     **/
    clone(): FontCollection;
}