/**
 * A Field describes a single field in an action or form.
 *
 * Fields can be used to automatically render forms or other UIs based on
 * hypermedia actions.
 */
export interface BaseField<TType extends string, TValue> {
    /**
     * Name of the field.
     *
     * Typically this is the property that will get sent to a server.
     */
    name: string;
    /**
     * Type describes the type of the property.
     *
     * This is similar to the HTML5 "type" attribute on forms.
     */
    type: TType;
    /**
     * The current (pre-filed) value on the form.
     */
    value?: TValue;
    /**
     * This could be used to describe a sample value.
     */
    placeholder?: TValue;
    /**
     * Whether this field is required for submitting the form.
     */
    required: boolean;
    /**
     * Render the field as read-only.
     */
    readOnly: boolean;
    /**
     * A human-readable label for the field.
     */
    label?: string;
}
/**
 * A checkbox basically behaves like a boolean.
 */
export declare type Checkbox = BaseField<'checkbox', boolean>;
/**
 * A color picker.
 */
export declare type Color = BaseField<'color', string>;
/**
 * A 'date' field.
 */
export declare type Date = BaseField<'date', string>;
/**
 * @deprecated
 */
export declare type DateTime = BaseField<'datetime', Date>;
export declare type DateTimeLocal = BaseField<'datetime-local', Date>;
export declare type Email = BaseField<'email', string>;
export declare type File = BaseField<'file', never>;
export declare type Hidden = BaseField<'hidden', string>;
export interface Number extends BaseField<'number', number> {
    max?: number;
    min?: number;
    step?: number;
}
export declare type Month = BaseField<'month', string>;
export declare type Password = BaseField<'password', string>;
export interface Radio extends BaseField<'radio', string> {
    options?: Map<string, string>;
}
export interface Range extends BaseField<'range', number> {
    max?: number;
    min?: number;
    step?: number;
}
export declare type Search = BaseField<'search', string>;
export declare type Tel = BaseField<'tel', string>;
export interface Text extends BaseField<'text', string> {
    minLength?: number;
    maxLength?: number;
    pattern?: RegExp;
    options?: Map<string, string>;
}
export declare type Time = BaseField<'time', string>;
export declare type Url = BaseField<'url', string>;
export declare type Week = BaseField<'week', string>;
export declare type Field = Checkbox | Color | Date | DateTime | DateTimeLocal | Email | File | Hidden | Number | Month | Password | Radio | Range | Search | Tel | Text | Time | Url | Week;