import { MemoryGuardTier, MemoryModificationGuard } from "./types.js";
import { ApiBoundaryGuardOptions } from "./api-boundary-guard.js";
import { AuditOnlyGuardOptions } from "./audit-only-guard.js";
import { StrictFullGuardOptions } from "./strict-full-guard.js";

//#region src/guard/factory.d.ts

/**
 * Tier-tagged options union. `'memory-aware'` requires the call-path
 * recorder; the other tiers only take optional metadata.
 *
 * @stable
 */
type CreateGuardOptions = {
  readonly tier: 'pure';
} | {
  readonly tier: 'side-effecting-no-memory';
} | ({
  readonly tier: 'memory-aware';
} & ApiBoundaryGuardOptions) | ({
  readonly tier: 'unknown';
} & AuditOnlyGuardOptions) | ({
  readonly tier: 'untrusted';
} & StrictFullGuardOptions);
/**
 * Construct a guard for the supplied tier.
 *
 * @stable
 */
declare function createGuard(opts: CreateGuardOptions): MemoryModificationGuard;
/**
 * Look up the guard variant identifier for a tier. Useful for
 * structured logging.
 *
 * @stable
 */
declare function guardVariantForTier(tier: MemoryGuardTier): 'NO_GUARD' | 'API_BOUNDARY_GUARD' | 'AUDIT_ONLY_GUARD' | 'STRICT_FULL_GUARD';
//#endregion
export { CreateGuardOptions, createGuard, guardVariantForTier };
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