interface AbstractPorter {
    packet: {
        transpiler: string;
        transpilerVersion: string;
        transpilerOpts: Record<string, any>;
    };
    uglifyOptions?: Record<string, any>;
}
/**
 * Cache transpilation results of module
 */
export default class Cache {
    path: string;
    clean: boolean;
    salt: string;
    reloaded: boolean;
    version: string;
    constructor({ path: cachePath, identifier, clean }: {
        path: string;
        identifier?: () => string;
        clean?: boolean;
    });
    identifier(app: AbstractPorter): string;
    digest(source: string): string;
    get(key: string, source: string): Promise<Record<string, any> | undefined>;
    set(key: string, source: string, result: Record<string, any>): Promise<void>;
    remove(key: string): Promise<void>;
    prepare({ packet }: AbstractPorter): Promise<void>;
}
export {};