import type { Workflow } from "@stigmer/protos/ai/stigmer/agentic/workflow/v1/api_pb";
/** Props for {@link WorkflowVersionsTab}. */
export interface WorkflowVersionsTabProps {
    /** The current workflow resource. */
    readonly workflow: Workflow;
    /** Additional CSS classes for the root container. */
    readonly className?: string;
}
/**
 * Tab content for the "Versions" panel in the workflow detail page.
 *
 * Renders a split layout: version timeline on the left, and a diff
 * viewer on the right when a version is selected (comparing that
 * version against the current version).
 *
 * All visual properties flow through `--stgm-*` design tokens.
 * Zero Console dependencies — safe for platform builder embedding.
 *
 * @example
 * ```tsx
 * <WorkflowVersionsTab workflow={workflow} />
 * ```
 */
export declare function WorkflowVersionsTab({ workflow, className, }: WorkflowVersionsTabProps): import("react/jsx-runtime").JSX.Element;
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