import type { ExecutionSummary } from "@stigmer/protos/ai/stigmer/agentic/workflowexecution/v1/io_pb";
/** Props for {@link WorkflowOverviewSummary}. */
export interface WorkflowOverviewSummaryProps {
    /** Aggregated summary data. `null` while loading or when unavailable. */
    readonly summary: ExecutionSummary | null;
    /** Whether the summary is still loading. */
    readonly isLoading: boolean;
    /** Additional CSS class names for the root container. */
    readonly className?: string;
}
/**
 * Row of 4 stat cards displaying key workflow execution metrics.
 *
 * Cards: Total Executions, Success Rate, Avg Duration, Total Cost.
 *
 * Handles loading (skeleton), empty (no executions), and populated states.
 * All visual properties flow through `--stgm-*` design tokens.
 */
export declare const WorkflowOverviewSummary: import("react").NamedExoticComponent<WorkflowOverviewSummaryProps>;
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