import type { FormFieldMessageContextState, ValidationErrorEntry } from '../types/formfield-messages.types.js';
/**
 * The id shape `RuntimeFieldMessageRegistration` (in `FormFieldMessages.tsx`)
 * produces for entries it aggregates from `runtime.getFieldMessages()` —
 * native/Strato field-state errors, `setError()` errors, and form-validator
 * errors alike.
 * @internal
 */
export declare function isRuntimeManagedId(id: string): boolean;
/**
 * Whether an error entry was registered by a control/the framework rather
 * than by the consumer — used to tell it apart from a consumer `Item`'s.
 *
 * `source !== 'custom'` covers native/Strato errors dispatched directly by a
 * control (e.g. `useFormFieldValidation`'s own native-validity handling,
 * which uses its own id, not the `runtime-` prefix). The `runtime-` id check
 * separately covers `setError()`/form-validator errors aggregated by
 * `RuntimeFieldMessageRegistration` — those are `source: 'custom'` just like
 * a consumer `Item`, so `source` alone can't make the distinction for them.
 * @internal
 */
export declare function isInternalErrorEntry(entry: ValidationErrorEntry): boolean;
/**
 * Ids of all messages registered by the consumer rather than by the control
 * itself. Used by controls that clear consumer messages on `resetValidation()`.
 * @internal
 */
export declare function getCustomMessageIds(state: FormFieldMessageContextState | undefined): string[];
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