import type { WorkflowCostBreakdown } from "@stigmer/protos/ai/stigmer/agentic/workflowexecution/v1/io_pb";
export interface CostByWorkflowChartProps {
    readonly breakdowns: readonly WorkflowCostBreakdown[];
    readonly isLoading: boolean;
    readonly className?: string;
}
/**
 * Horizontal bar chart showing cost by workflow.
 *
 * Sorted by total cost (descending). Each bar shows the workflow name,
 * formatted dollar cost, and execution count as a secondary label.
 * Uses pure CSS for rendering -- no recharts dependency needed.
 */
export declare const CostByWorkflowChart: import("react").NamedExoticComponent<CostByWorkflowChartProps>;
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