/// <reference types="node" />
import Vinyl from 'vinyl';
import { IIconConfig, IIconsConfig, IIconToGenerateConfig, IManifestConfig, IHeadersConfig, IHtmlHeader, IRenderConfig } from './types';
export interface IConfig {
    /**
     * Relative public path to use in webmanifest and html-headers.
     */
    path?: string;
    /**
     * Webmanifest to add icons. Also can use it to get background color.
     */
    manifest?: IManifestConfig;
    /**
     * Output icons configuration.
     */
    icons?: IIconsConfig;
}
export declare abstract class FaviconsGenerator {
    protected readonly config: IConfig;
    constructor({ path, manifest, icons }?: IConfig);
    protected abstract attachMetadata(source: Vinyl): Promise<Vinyl>;
    protected abstract renderIcon(sources: Vinyl[], config: IRenderConfig): Promise<Buffer>;
    /**
     * Create favicons form sources.
     * @param sources - Favicons sources.
     * @returns Results of handling.
     */
    generateIcons(source: Vinyl | Vinyl[]): AsyncGenerator<Vinyl, void, unknown>;
    /**
     * Create full manifest object with icons.
     * @returns Manifest object.
     */
    generateManifset(): IManifestConfig;
    /**
     * Create HTML-headers for target icons.
     * @param headersConfig - Custom headers config.
     * @returns Array of headers objects. You can get HTML-markup with `getHtmlHeadersMarkup` helper.
     */
    generateHtmlHeaders(headersConfig?: IHeadersConfig): IHtmlHeader[];
    /**
     * Create icons of given type.
     * @param iconsType - Type of needed icons.
     * @param sources - Icons sources.
     * @returns Icons of given type.
     */
    protected generateIconsOfType(iconsType: string, sources: Vinyl[]): AsyncGenerator<Vinyl, void, unknown>;
    /**
     * Create icon.
     * @param filename - File name of icon.
     * @param sources - Sources of icon.
     * @param iconConfig - Icon config.
     * @param iconToGenerateConfig - Icon to generate config.
     */
    protected generateIcon(filename: string, sources: Vinyl[], iconConfig: IIconConfig, iconToGenerateConfig: IIconToGenerateConfig): Promise<Vinyl>;
    /**
     * Create ".ico" icon.
     * @param filename - File name of icon.
     * @param sources - Sources of icon.
     * @param iconConfig - Icon config.
     * @param iconToGenerateConfig - Icon to generate config.
     */
    protected generateIco(filename: string, sources: Vinyl[], iconConfig: IIconConfig, iconToGenerateConfig: IIconToGenerateConfig): Promise<Vinyl>;
}
//# sourceMappingURL=FaviconsGenerator.d.ts.map