/// <reference types="node" />
import { JpegCompressOptions, PNGLosslessOptions, PngQuantOptions } from '@napi-rs/image';
import type { Config as SvgoConfig } from 'svgo';
export type ArrayOrNot<T> = T | T[];
export interface WebpTransformOptions {
    quality?: number;
}
export interface CodecBaseOptions {
    jpeg: JpegCompressOptions;
    png: PngQuantOptions;
    pngLossless: PNGLosslessOptions;
    ico: {};
    svg: SvgoConfig;
}
export interface BaseCompressOptions<T extends Codecs> {
    use: T;
    test?: ArrayOrNot<RegExp>;
    include?: ArrayOrNot<RegExp>;
    exclude?: ArrayOrNot<RegExp>;
}
export type FinalOptionCollection = {
    [K in Codecs]: BaseCompressOptions<K> & CodecBaseOptions[K];
};
export type FinalOptions = FinalOptionCollection[Codecs];
export interface Codec<T extends Codecs> {
    handler: (buf: Buffer, options: CodecBaseOptions[T]) => Promise<Buffer>;
    defaultOptions: Omit<FinalOptionCollection[T], 'use'>;
}
export type Codecs = keyof CodecBaseOptions;
export type OptionCollection = {
    [K in Codecs]: K | FinalOptionCollection[K];
};
export type Options = OptionCollection[Codecs];