export interface WorldMetricsTable {
    capsule: Record<string, number>;
    traversal: Record<string, number>;
    movement: Record<string, number>;
    derived: Record<string, number>;
}
/** Null when the installed system predates WORLD_METRICS (< 0.2.13) — callers degrade with a message. */
export declare function readWorldMetrics(worldDir: string): Promise<WorldMetricsTable | null>;
export declare function renderWorldMetrics(metrics: WorldMetricsTable): string;
export declare const METRICS_UNSUPPORTED_MESSAGE: string;