/**
 * The settings object can be used to pass settings down to the run function.
 * This method is particularly useful when working with generators.
 */
export interface PipelineStepSettings {
}
export declare class PipelineStep {
    private settings;
    run: (executor: Executor) => Promise<any>;
    constructor(runFn: (executor: Executor) => Promise<any>, settings?: PipelineStepSettings);
}
export interface PipelineOptions {
    title?: string;
    /**
     * If set this string will be suffixed to version with a dash
     */
    versionSuffix?: string;
    namespace?: string;
    /**
     * The base path for the pipeline. It should be a relative path from infopack folder
     * @default "./"
     */
    basePath?: string;
    /**
     * Name of folder where the input file are stored
     * @default "input"
     */
    inputFolderName?: string;
    /**
     * Name of folder where the output file are stored
     * @default "output"
     */
    outputFolderName?: string;
    /**
     * Name of folder where the input file are stored
     * @default "cache"
     */
    cacheFolderName?: string;
    indexHtmlPath?: string;
    sidecarHtmlPath?: string;
}
/**
 * Main class that produces output from the input via a pipeline
 */
export declare class Pipeline {
    /**
     * Human readable name
     */
    private title;
    /**
     * If set this string will be suffixed to version with a dash
     */
    private versionSuffix;
    /**
     *  Namespace for the package
     */
    private namespace;
    /**
     * The steps which will be executed in the run method
     */
    private steps;
    /**
     * Absolute path to base path of the infopack
     */
    private basePath;
    /**
     * Absolute path to the input folder
     */
    private inputPath;
    /**
     * Absolute path to the output folder
     */
    private outputPath;
    /**
     * Absolute path to the cache folder
     */
    private cachePath;
    private indexHtmlPath;
    private sidecarHtmlPath;
    indexHtml: string;
    sidecarHtml: string;
    constructor(inputSteps: PipelineStep[], options?: PipelineOptions);
    getSteps(): PipelineStep[];
    getBasePath(relPath?: string): string;
    getInputPath(relPath?: string): string;
    getOutputPath(): string;
    getCachePath(): string;
    getNamespace(): string;
    getTitle(): string;
    getVersionSuffix(): string | undefined;
    /**
     * Import index template
     * @param filePath Optional absolute path to template
     */
    importIndexTemplate(filePath: string): Promise<string>;
    /**
     * Import sidecar template
     * @param filePath Optional absolute path to template
     */
    importSidecarTemplate(filePath: string): Promise<string>;
    /**
     * Method to start the pipeline operation
     */
    run: () => void;
    addStep: (step: PipelineStep) => void;
}
export interface InfopackContentInput {
    /**
     * Path relative to output folder
     */
    path: string;
    data: Buffer;
    title: string;
    description: string;
    labels?: Object;
    origin?: [string];
}
/**
 * InfopackContent structures the files to be written list
 */
export interface InfopackContent {
    $schema: string;
    title: string;
    description: string;
    /**
     * Path relative to output folder
     */
    path: string;
    dirname: string;
    filename: string;
    extname: string;
    data: Buffer;
    labels?: Object;
    origin?: [string];
}
export interface ExecutorMeta {
    $schema: string;
    namespace?: string;
    name?: string;
    title?: string;
    description?: string;
    version?: string;
    /**
     * Timestamp mainly used in template generator
     */
    packagedAt?: string;
}
export declare class Executor {
    pipeline: Pipeline;
    finished: boolean;
    currentStep: number;
    writeQueue: InfopackContent[];
    private meta;
    private files;
    private test;
    constructor(pipeline: Pipeline);
    /**
     * This method will add infopackContent to the files queue.
     * @param infopackContent
     */
    toOutput(infopackContentInput: InfopackContentInput): void;
    private rmdir;
    private mkdir;
    /**
     * Write buffered files to disk
     * @param target Specifies output target. Provide cache to write to cache
     * @returns Promise<any>
     */
    private writeOutput;
    getBasePath(relPath?: string): string;
    getInputPath(relPath?: string): string;
    getOutputPath(): string;
    getCachePath(): string;
    createMeta(): void;
    execute: () => import("bluebird")<void>;
}