import { PipelineStep } from './PipelineStep.js';
import { PipelineNode } from './PipelineNode.js';
export declare class Pipeline<T, K extends string | number = any> {
    private initialNode?;
    private enableLogging;
    private spinnerConfig?;
    private spinner?;
    constructor();
    setEnableLogging(enable: boolean): void;
    addStep(step: PipelineStep<T>): PipelineNode<T, K>;
    addBranch(node: PipelineNode<T, K>, conditionValue: T, nextNode: PipelineNode<T, K>): void;
    execute(initialInput: T): Promise<T>;
    private executeNode;
    private startSpinner;
    private updateSpinner;
    private pauseSpinner;
    private resumeSpinner;
    private successSpinner;
    private failSpinner;
}