import type { MetaObject } from "@metaobjectsdev/metadata";
/**
 * True when the entity declares at least one writable source.rdb child.
 * Discriminates table-backed entities (full Drizzle file: table + Insert/Update
 * schemas + filter allowlists + constants) from value-only objects (TS
 * interface + Zod schema only). Absence of source.rdb means in-memory /
 * transit data — no migration, no ORM table to point at.
 */
export declare function hasWritableRdbSource(entity: MetaObject): boolean;
/**
 * True when the object declares (or inherits via extends — ADR-0039 resolving)
 * at least one source.rdb child of ANY kind (writable OR read-only). Zero
 * sources means "not backed by any store" (loader contract,
 * validate-source-roles: zero sources is allowed, means not persisted) — the
 * DB-artifact tier (queries/routes/api-model) must emit nothing for it, exactly
 * as the table tier already refuses to emit a Drizzle table for it
 * (hasWritableRdbSource, above — this is its any-kind sibling).
 */
export declare function hasAnyRdbSource(entity: MetaObject): boolean;
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