export type FileContext = {
    /**
     * extension of the file. (e.g. `.js`, '.jsx', '.ts', etc.)
     */
    ext: string;
    filename: string;
};
export type DependencyContext = {
    /**
     * name of the dependency.
     * e.g. `lodash` in `import _ from 'lodash'`
     */
    dependency: string;
    /**
     * name of the file.
     */
    filename: string;
    /**
     * directory of the file.
     */
    directory: string;
};
export interface DependencyDetector {
    /**
     * determine whether to apply on given file.
     */
    isSupported(context: FileContext): boolean;
    /**
     * determine what type of content the detector is for.
     * by default, the type is the extension name of the file (without the dot)
     * if no type provided.
     */
    type?: string;
    /**
     * detect file dependencies. list of file dependencies of the module.
     */
    detect(fileContent: string): string[];
    /**
     * resolve the imported file location
     * @param file
     */
    dependencyLookup?(file: DependencyContext): string;
}
export declare class DetectorHook {
    static hooks: DependencyDetector[];
    isSupported(ext: string, filename: string): boolean;
    getDetector(ext: string, filename: string): DependencyDetector | undefined;
}