import { type LocalizedFieldValue } from '../utilities/normalizedFieldValues.js';
import type { DateTimePickerEditorConfiguration } from './appearance/date_time_picker.js';
import type { DateTimeRangeValidator } from './validators/date_time_range.js';
import type { RequiredValidator } from './validators/required.js';
export type DateTimeFieldValue = string | null;
export declare function isDateTimeFieldValue(value: unknown): value is DateTimeFieldValue;
export declare function isLocalizedDateTimeFieldValue(value: unknown): value is LocalizedFieldValue<DateTimeFieldValue>;
export type DateTimeFieldValidators = {
    /** Value must be specified or it won't be valid */
    required?: RequiredValidator;
    /** Accept date times only inside a specified date range */
    date_time_range?: DateTimeRangeValidator;
};
export type DateTimeFieldAppearance = {
    editor: 'date_time_picker';
    parameters: DateTimePickerEditorConfiguration;
} | {
    /** Plugin ID */
    editor: string;
    /** Plugin configuration */
    parameters: Record<string, unknown>;
};