import { DateSchema, KnownKeys, ParentContextFunction, Schema, TupleSchema } from '@lightweightform/storage';
/**
 * Default issue code emitted for invalid date-ranges (where the start date is
 * after the end date).
 */
export declare const INVALID_DATE_RANGE_CODE = "LF_INVALID_DATE_RANGE";
/**
 * Type of issue emitted for invalid date-ranges.
 */
export declare const INVALID_DATE_RANGE_TYPE = "invalidDateRange";
/**
 * Date-range schema.
 */
export interface DateRangeSchema extends TupleSchema<[Date, Date], [DateSchema, DateSchema]> {
    /**
     * Skip adding validations (needed when using a date-range within a computed
     * value).
     */
    skipValidations?: boolean;
    /**
     * Issue code to indicate that the date-range is invalid (where the start date
     * is after the end date).
     */
    invalidDateRangeCode?: string;
    /**
     * Minimum date that the date-range represented by this schema is allowed to
     * have.
     */
    minDate?: Date | ParentContextFunction<Date>;
    /**
     * String to use as issue code when the date-range's start date is less than
     * the minimum allowed date. Defaults to `DATE_OUT_OF_BOUNDS_CODE`.
     */
    minDateCode?: string;
    /**
     * Maximum date that the date-range represented by this schema is allowed to
     * have.
     */
    maxDate?: Date | ParentContextFunction<Date>;
    /**
     * String to use as issue code when the date-range's end date is greater than
     * the maximum allowed date. Defaults to `DATE_OUT_OF_BOUNDS_CODE`.
     */
    maxDateCode?: string;
    /**
     * Options to construct the start date schema with.
     */
    startDateOptions?: Pick<DateSchema, Exclude<KnownKeys<DateSchema>, 'type' | 'minDate' | 'minDateCode' | 'maxDate' | 'maxDateCode'>> & {
        [extraProperties: string]: any;
    };
    /**
     * Options to construct the end date schema with.
     */
    endDateOptions?: Pick<DateSchema, Exclude<KnownKeys<DateSchema>, 'type' | 'minDate' | 'minDateCode' | 'maxDate' | 'maxDateCode'>> & {
        [extraProperties: string]: any;
    };
}
/**
 * Options used to create a new date-range schema.
 */
export declare type DateRangeSchemaOptions = Pick<DateRangeSchema, Exclude<KnownKeys<DateRangeSchema>, 'type' | 'elementsSchemas'>> & {
    [extraProperties: string]: any;
};
/**
 * Creates a new date-range schema object.
 * @param options Options used to create the schema.
 * @returns Date-range schema.
 */
export declare function dateRangeSchema(options?: DateRangeSchemaOptions): DateRangeSchema;
/**
 * Returns whether a given schema is a date-range schema.
 * @param schema Schema to check.
 * @returns `true` when the provided schema is a date-range schema.
 */
export declare function isDateRangeSchema(schema: Schema): schema is DateRangeSchema;