/**
 * Flow Display - Textual DAG visualization for workflows
 */
export interface FlowNode {
    id: string;
    name: string;
    type: 'agent' | 'tool' | 'condition' | 'parallel' | 'start' | 'end';
    status?: 'pending' | 'running' | 'completed' | 'failed' | 'skipped';
    children?: string[];
    metadata?: Record<string, any>;
}
export interface FlowGraph {
    nodes: Map<string, FlowNode>;
    edges: Array<{
        from: string;
        to: string;
        label?: string;
    }>;
}
export interface FlowDisplayConfig {
    showStatus?: boolean;
    showMetadata?: boolean;
    compact?: boolean;
    maxWidth?: number;
}
/**
 * Flow Display class for DAG visualization
 */
export declare class FlowDisplay {
    private graph;
    private config;
    constructor(config?: FlowDisplayConfig);
    /**
     * Add a node to the graph
     */
    addNode(node: FlowNode): void;
    /**
     * Add an edge between nodes
     */
    addEdge(from: string, to: string, label?: string): void;
    /**
     * Update node status
     */
    updateStatus(id: string, status: FlowNode['status']): void;
    /**
     * Build graph from workflow steps
     */
    fromTasks(steps: Array<{
        name: string;
        type?: string;
        condition?: string;
    }>): void;
    /**
     * Render the graph as text
     */
    render(): string;
    /**
     * Render a single node and its children
     */
    private renderNode;
    /**
     * Format a node for display
     */
    private formatNode;
    /**
     * Render as simple ASCII box diagram
     */
    renderBoxes(): string;
    /**
     * Create a box for a node
     */
    private createBox;
    /**
     * Get status character
     */
    private getStatusChar;
    /**
     * Clear the graph
     */
    clear(): void;
    /**
     * Get graph data
     */
    getGraph(): FlowGraph;
    /**
     * Export to DOT format (for Graphviz)
     */
    toDot(): string;
}
/**
 * Create a flow display instance
 */
export declare function createFlowDisplay(config?: FlowDisplayConfig): FlowDisplay;
/**
 * Quick render workflow steps
 */
export declare function renderWorkflow(steps: Array<{
    name: string;
    type?: string;
}>): string;