import { ExpressionOperator } from "../../../core";
/**
 * Returns the date as a formatted string.
 *
 * %d	Day of Month (2 digits, zero padded)	01-31
 * %G	Year in ISO 8601 format	0000-9999
 * %H	Hour (2 digits, zero padded, 24-hour clock)	00-23
 * %j Day of year (3 digits, zero padded) 001-366
 * %L	Millisecond (3 digits, zero padded)	000-999
 * %m	Month (2 digits, zero padded)	01-12
 * %M	Minute (2 digits, zero padded)	00-59
 * %S	Second (2 digits, zero padded)	00-60
 * %u	Day of week number in ISO 8601 format (1-Monday, 7-Sunday)	1-7
 * %V	Week of Year in ISO 8601 format	1-53
 * %w Day of week as an integer (0-Sunday, 6-Saturday) 0-6
 * %Y	Year (4 digits, zero padded)	0000-9999
 * %z	The timezone offset from UTC.	+/-[hh][mm]
 * %Z	The minutes offset from UTC as a number. For example, if the timezone offset (+/-[hhmm]) was +0445, the minutes offset is +285.	+/-mmm
 * %%	Percent Character as a Literal	%
 *
 * @param obj current object
 * @param expr operator expression
 */
export declare const $dateToString: ExpressionOperator<string>;
