import { JobStatusClient } from "@aics/job-status-client";
import { Step, UploadContext } from "./types";
export declare class StepExecutor {
    /**
     * Executes steps in series
     * @param jss job status client for interacting with JSS
     * @param steps a list of steps to execute
     * @param ctx upload context representing state of upload
     */
    static executeSteps(jss: JobStatusClient, steps: Step[], ctx: UploadContext): Promise<UploadContext>;
    /**
     * Executes steps in parallel.
     * @param jss job status client for interacting with JSS
     * @param steps a list of steps to execute
     * @param ctx upload context representing state of upload
     */
    static executeStepsInParallel(jss: JobStatusClient, steps: Step[], ctx: UploadContext): Promise<UploadContext[]>;
    private static validateSteps;
    private static executeStep;
}