/**
 * Validate untouched generated metadata without reading any property value.
 *
 * This must run before normalization because spreading or iterating an
 * untrusted record/container could otherwise execute an accessor or erase a
 * caller-controlled prototype before the immutable snapshot sees it.
 */
export declare function assertPlainRuntimeMetadataGraph(value: unknown): void;
/**
 * Create an immutable, detached snapshot of framework runtime metadata.
 *
 * Runtime metadata is plain data plus lazy loader functions. Functions are
 * preserved by identity; every record and array that can redirect a loader or
 * change graph policy is copied before it is recursively frozen.
 *
 * Custom prototypes and accessors are rejected. Accepting either would let a
 * caller change inherited policy after minting even though the snapshot's own
 * properties are frozen. Opaque provider, Tool, and schema objects are loaded
 * later through the preserved functions and never cross this metadata boundary.
 */
export declare function cloneAndDeepFreezeRuntimeSnapshot<T>(value: T): T;
/** Recursively freeze a newly assembled runtime view without cloning loaders. */
export declare function deepFreezeRuntimeSnapshot<T>(value: T): T;