/** Structural shape of a tool-identity catalog (handlers' ToolIdentityCatalog is assignable to this). */
export type ToolCatalogShape = Record<string, {
    readonly name: string;
    readonly version?: string;
}>;
/**
 * Deterministic 16-char hex hash of a tool-identity catalog. Key order is
 * normalized so the hash is stable across deployments that build the catalog
 * in different orders.
 */
export declare function computeToolCatalogHash(catalog: ToolCatalogShape): string;
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