/**
 * Internal built-in template metadata defaults used by scaffold rendering.
 */
export declare const BUILTIN_BLOCK_METADATA_VERSION = "0.1.0";
/**
 * Built-in parent block metadata defaults keyed by template id.
 */
export declare const BUILTIN_TEMPLATE_METADATA_DEFAULTS: Readonly<{
    basic: Readonly<{
        category: "text";
        icon: "smiley";
    }>;
    interactivity: Readonly<{
        category: "widgets";
        icon: "smiley";
    }>;
    persistence: Readonly<{
        category: "widgets";
        icon: "database";
    }>;
    compound: Readonly<{
        category: "widgets";
        icon: "screenoptions";
    }>;
    'query-loop': Readonly<{
        category: "widgets";
        icon: "query-pagination";
    }>;
}>;
/**
 * Shared hidden child block metadata defaults for compound scaffolds.
 */
export declare const COMPOUND_CHILD_BLOCK_METADATA_DEFAULTS: Readonly<{
    category: "widgets";
    icon: "excerpt-view";
}>;
/**
 * Legacy built-in template ids that were removed in favor of persistence modes.
 */
export declare const REMOVED_BUILTIN_TEMPLATE_IDS: readonly ['data', 'persisted'];
/**
 * Union of removed built-in template ids accepted by compatibility checks.
 */
export type RemovedBuiltInTemplateId = (typeof REMOVED_BUILTIN_TEMPLATE_IDS)[number];
/**
 * Returns the metadata defaults for a built-in scaffold template id.
 *
 * @param templateId Built-in template id whose metadata defaults should be read.
 * @returns The stable category/icon defaults used by scaffold rendering.
 */
export declare function getBuiltInTemplateMetadataDefaults(templateId: keyof typeof BUILTIN_TEMPLATE_METADATA_DEFAULTS): Readonly<{
    category: "text";
    icon: "smiley";
}> | Readonly<{
    category: "widgets";
    icon: "smiley";
}> | Readonly<{
    category: "widgets";
    icon: "database";
}> | Readonly<{
    category: "widgets";
    icon: "screenoptions";
}> | Readonly<{
    category: "widgets";
    icon: "query-pagination";
}>;
/**
 * Checks whether a template id points at a removed built-in scaffold.
 *
 * @param templateId Template id supplied to scaffold resolution.
 * @returns True when the template id is one of the removed legacy built-ins.
 */
export declare function isRemovedBuiltInTemplateId(templateId: string): templateId is RemovedBuiltInTemplateId;
/**
 * Builds the stable recovery guidance shown for removed built-in template ids.
 *
 * @param templateId Removed template id, where `data` maps to the public policy and
 * `persisted` maps to the authenticated policy.
 * @returns A user-facing error string in the form
 * `Built-in template "<id>" was removed. Use --template persistence --persistence-policy <policy> instead.`
 */
export declare function getRemovedBuiltInTemplateMessage(templateId: RemovedBuiltInTemplateId): string;