import { type CustomDecorator } from '@nestjs/common';
export declare function Public(): CustomDecorator;
/**
 * Metadata key carrying the @PublicData reason (string) on a handler/class.
 * The gateway's context interceptor reads it to stamp `unscoped` on the ALS context,
 * which the signer propagates as the internal-JWT `unsc` claim.
 */
export declare const PUBLIC_DATA_KEY = "authz:publicData";
/**
 * @PublicData — like @Public (no login required) BUT additionally declares that the
 * underlying data is GLOBAL reference data with no tenant dimension (countries, cities,
 * languages…). Downstream the query runs UNSCOPED instead of fail-closing on the missing
 * ability — the propagated equivalent of wrapping the handler in `runUnscoped(reason)`.
 *
 * This is intentionally a DISTINCT decorator from @Public, not an option on it: a plain
 * @Public left by mistake on tenant data must keep failing closed (deny), never leak all
 * tenants. Use @PublicData ONLY for data that is genuinely tenant-less and public.
 */
export declare function PublicData(reason: string): MethodDecorator & ClassDecorator;
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