import type { ExecutionSummary } from "@stigmer/protos/ai/stigmer/agentic/workflowexecution/v1/io_pb";
export interface ExecutionTrendChartProps {
    readonly summary: ExecutionSummary | null;
    readonly isLoading: boolean;
    readonly className?: string;
}
/**
 * Phase distribution chart for workflow executions.
 *
 * Shows a stacked horizontal bar with a legend listing each phase
 * and its count. Renders from `ExecutionSummary.phaseCounts`.
 */
export declare const ExecutionTrendChart: import("react").NamedExoticComponent<ExecutionTrendChartProps>;
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