//#region src/utils/errors.d.ts
/**
 * Whether the backend signalled that the requested resource does not exist.
 * Prefer `err instanceof ResourceNotFoundError`; this predicate also covers
 * raw `ConnectError`s (NotFound or the auth resource-not-found detail).
 */
declare function isResourceNotFoundError(err: unknown): boolean;
/** Whether an optimistic-concurrency update used a stale resource revision. */
declare function isRevisionConflictError(err: unknown): boolean;
/** Whether a policy mutation failed because the policy is still attached to a resource. */
declare function isPolicyInUseError(err: unknown): boolean;
/** Whether a policy mutation failed because the policy is locked. */
declare function isPolicyLockedError(err: unknown): boolean;
/** Whether the policy and target account belong to different scopes. */
declare function isPolicyScopeMismatchError(err: unknown): boolean;
/**
 * Whether an error is retryable (network/timeout) for idempotent operations.
 * Uses same requestId on retry; backend dedupes within 2min.
 * Prefer `err instanceof TransientError` or `err.retryable` on typed errors.
 */
declare function isRetryableError(err: unknown): boolean;
/**
 * Diagnostic formatter for SDK and ConnectRPC errors.
 * Typed SDK errors already carry normalized messages; for raw ConnectErrors
 * this strips leading "[CODE]" prefixes. Falls back to a friendly default.
 * The returned message may contain backend implementation details. Never render
 * it to a user; use {@link formatUserFacingError} at presentation boundaries.
 * @param err - The error to format.
 * @param fallback - The fallback message when no message is available.
 * @returns The formatted error message.
 */
declare function formatConnectError(err: unknown, fallback?: string): string;
declare function formatUserFacingError(error: unknown, fallback: string): string;
//#endregion
export { formatConnectError, formatUserFacingError, isPolicyInUseError, isPolicyLockedError, isPolicyScopeMismatchError, isResourceNotFoundError, isRetryableError, isRevisionConflictError };
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