export declare const RUI_CONTROL_ATTR = "data-rui-control";
export declare const RUI_FIELD_MANAGED_ATTR = "data-rui-field-managed";
export declare const RUI_FIELD_LABEL_ATTR = "data-rui-field-label";
export declare const RUI_FIELD_DESCRIPTION_ATTR = "data-rui-field-description";
export declare const RUI_FIELD_ERROR_ATTR = "data-rui-field-error";
export declare const RUI_FIELD_DEFAULT_VALUE_ATTR = "data-default-value";
export declare const RUI_FORM_DEFAULT_VALUES_ATTR = "data-default-values";
/**
 * Presentational text controls (`RuiInput` / `RuiTextarea`) are real `<input>` / `<textarea>`
 * nodes marked with `data-rui-control`. Detect by tag name — never `instanceof HTMLInputElement`,
 * which is undefined under Radiant's Node light-DOM SSR shim.
 */
export declare function isNativeTextControl(node: Element): node is HTMLInputElement | HTMLTextAreaElement;
export declare function findFieldControl(root: HTMLElement): HTMLElement | null;
export declare function readControlValue(control: HTMLElement): unknown;
export declare function writeControlValue(control: HTMLElement, value: unknown): void;
export declare function findFieldLabel(root: HTMLElement): HTMLLabelElement | null;
export declare function findFieldDescription(root: HTMLElement): HTMLElement | null;
export declare function findFieldError(root: HTMLElement): HTMLElement | null;
/** Every error region in the field (handles duplicate slot-projection copies). */
export declare function findFieldErrorElements(root: HTMLElement): HTMLElement[];
/** Syncs the field name onto the native control and custom-element hosts. */
export declare function wireFieldControlName(controlHost: HTMLElement | null, ariaTarget: HTMLElement | null, name: string): void;
/** Element that receives `id`, `aria-invalid`, and `aria-describedby` from Field. */
export declare function getAriaControlTarget(control: HTMLElement): HTMLElement;
/** Focusable surfaces that Field should wire `aria-invalid` / `aria-describedby` onto. */
export declare function getAriaControlTargets(control: HTMLElement): HTMLElement[];