import { LitElement } from 'lit';
export interface PipelineStep {
    server: string;
    tool: string;
    status: 'pending' | 'running' | 'success' | 'error';
}
/**
 * <burnish-pipeline> — Real-time tool chain visualization.
 * Shows a horizontal pipeline of MCP tool call steps with live status indicators.
 *
 * Usage:
 *   <burnish-pipeline steps='[{"server":"fs","tool":"read_file","status":"success"},...]'></burnish-pipeline>
 */
export declare class BurnishPipeline extends LitElement {
    static properties: {
        steps: {
            type: StringConstructor;
        };
        _parsed: {
            state: boolean;
        };
    };
    static styles: import("lit").CSSResult;
    steps: string;
    _parsed: PipelineStep[];
    constructor();
    willUpdate(changed: Map<string, unknown>): void;
    private _statusIcon;
    render(): import("lit").TemplateResult<1>;
}
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