import { type LocalizedFieldValue } from '../utilities/normalizedFieldValues.js';
import type { DatePickerEditorConfiguration } from './appearance/date_picker.js';
import type { DateRangeValidator } from './validators/date_range.js';
import type { RequiredValidator } from './validators/required.js';
export type DateFieldValue = string | null;
export declare function isDateFieldValue(value: unknown): value is DateFieldValue;
export declare function isLocalizedDateFieldValue(value: unknown): value is LocalizedFieldValue<DateFieldValue>;
export type DateFieldValidators = {
    /** Value must be specified or it won't be valid */
    required?: RequiredValidator;
    /** Accept dates only inside a specified date range */
    date_range?: DateRangeValidator;
};
export type DateFieldAppearance = {
    editor: 'date_picker';
    parameters: DatePickerEditorConfiguration;
} | {
    /** Plugin ID */
    editor: string;
    /** Plugin configuration */
    parameters: Record<string, unknown>;
};