import { Col } from "zol";
import { Duration, Instant, LocalDate, LocalDateTime, LocalTime, Period } from "js-joda";


export declare function instantCol<s>(val: Instant): Col<s, Instant>;

export declare function instantParser(val: string): Instant;

export declare function localDateTimeCol<s>(val: LocalDateTime): Col<s, LocalDateTime>;

export declare function localDateTimeParser(val: string): LocalDateTime;

export declare function localDateCol<s>(val: LocalDate): Col<s, LocalDate>;

export declare function localDateParser(val: string): LocalDate;

export declare function localTimeCol<s>(val: LocalTime): Col<s, LocalTime>;

export declare function localTimeParser(val: string): LocalTime;

export declare function durationCol<s>(val: Duration): Col<s, Duration>;

/**
 * This should be used with great care, or ideally avoided
 */
export declare function durationParser(interval: string): Duration;

export declare function periodCol<s>(val: Period): Col<s, Period>;

/**
 * Warning: This is lossy. Only use if you really know what you doing
 */
export declare function periodParser(interval: string): Period;

/**
 * When instant occurred, what time did the clocks on the wall located in timezone show?
 * (Or what do we predict them to show, if instant is in the future?)
 *
 * SQL equivilent: `TIMEZONE`
 */
export declare function instantToLocalDateTime<s>(instant: Col<s, Instant>, timezone: Col<s, string>): Col<s, LocalDateTime>;

/**
 * When the clocks in timezone showed the given time, what was the instant?
 * (Or what do we predict it to be, if the clocks haven't yet showed this time)
 *
 * Note: If due to daylight savings time, the clocks in timezone showed the given
 * time on two seperate instances, then PostgreSQL sill arbitrarily pick one.
 * Similarly, if the clocks in timezone never showed the given time, then PostgreSQL
 * will pick an appropriately close instant.
 *
 * SQL equivilent: `TIMEZONE`
 */
export declare function localDateTimeToInstant<s>(localDateTime: Col<s, LocalDateTime>, timezone: Col<s, string>): Col<s, Instant>;

/**
 * The duration between two Instants.
 *
 * SQL equivilent: `-`
 */
export declare function durationBetween<s>(startInclusive: Col<s, Instant>, endExclusive: Col<s, Instant>): Col<s, Duration>;

/**
 * SQL equivilent: `-`
 */
export declare function durationMinus<s>(lhs: Col<s, Duration>, rhs: Col<s, Duration>): Col<s, Duration>;

/**
 * SQL equivilent: `*`
 */
export declare function durationMultiply<s>(lhs: Col<s, Duration>, rhs: Col<s, number>): Col<s, Duration>;

/**
 * SQL equivilent: `/`
 */
export declare function durationDivide<s>(lhs: Col<s, Duration>, rhs: Col<s, number>): Col<s, Duration>;

/**
 * SQL equivilent: `+`
 */
export declare function durationPlus<s>(lhs: Col<s, Duration>, rhs: Col<s, Duration>): Col<s, Duration>;

/**
 * Add a Duration to an Instant
 *
 * SQL equivilent: `+`
 */
export declare function instantAdd<s>(instant: Col<s, Instant>, duration: Col<s, Duration>): Col<s, Instant>;

/**
 * Subtract a Duration from an Instant
 *
 * SQL equivilent: `-`
 */
export declare function instantSubtract<s>(instant: Col<s, Instant>, duration: Col<s, Duration>): Col<s, Instant>;

/**
 * Add a Duration to a LocalDateTime
 *
 * SQL equivilent: `+`
 */
export declare function localDateTimeAdd<s>(localDateTime: Col<s, LocalDateTime>, duration: Col<s, Duration>): Col<s, LocalDateTime>;

/**
 * Add a Period to a LocalDateTime.
 *
 * SQL equivilent: `+`
 */
export declare function localDateTimeAdd<s>(localDateTime: Col<s, LocalDateTime>, period: Col<s, Period>): Col<s, LocalDateTime>;

/**
 * Subtract a Duration from a LocalDateTime
 *
 * SQL equivilent: `-`
 */
export declare function localDateTimeSubtract<s>(localDateTime: Col<s, LocalDateTime>, duration: Col<s, Duration>): Col<s, LocalDateTime>;

/**
 * Subtract a Period from a LocalDateTime
 *
 * SQL equivilent: `-`
 */
export declare function localDateTimeSubtract<s>(localDateTime: Col<s, LocalDateTime>, period: Col<s, Period>): Col<s, LocalDateTime>;

/**
 * Convert a LocalDateTime to a LocalDate (discarding the time portion)
 *
 * SQL equivilent: `CAST`
 */
export declare function truncateToLocalDate<s>(localDateTime: Col<s, LocalDateTime>): Col<s, LocalDate>;

/**
 * Convert a LocalDate to a LocalDateTime. The time will be set to "00:00:00"
 *
 * SQL equivilent: `CAST`
 */
export declare function expandTolocalDateTime<s>(localDate: Col<s, LocalDate>): Col<s, LocalDateTime>;

/**
 * Add a Period to a LocalDate
 *
 * SQL equivilent: `+`
 */
export declare function localDateAdd<s>(localDate: Col<s, LocalDate>, period: Col<s, Period>): Col<s, LocalDate>;

/**
 * Subtract a Period from a LocalDate
 *
 * SQL equivilent: `-`
 */
export declare function localDateSubtract<s>(localDate: Col<s, LocalDate>, period: Col<s, Period>): Col<s, LocalDate>;

/**
 * Add n days to a LocalDate.
 *
 * This is similar to [[localDateAdd]], but can be more convenient when the
 * days you want to add is from some other column, or is a computed value.
 *
 * SQL equivilent: `+` (INTEGER)
 */
export declare function localDateAddDays<s>(localDate: Col<s, LocalDate>, days: Col<s, number>): Col<s, LocalDate>;

/**
 * Subtract n days from a LocalDate.
 *
 * This is similar to [[localDateSubtract]], but can be more convenient when
 * the days you want to subtract is from some other column, or is a computed
 * value.
 *
 * SQL equivilent: `-` (INTEGER)
 */
export declare function localDateSubtractDays<s>(localDate: Col<s, LocalDate>, days: Col<s, number>): Col<s, LocalDate>;

/**
 * Add a Duration to a LocalTime. If the LocalTime overflows (goes past
 * midnight) then the result will wrap around.
 *
 * SQL equivilent: `+`
 */
export declare function localTimeAdd<s>(localTime: Col<s, LocalTime>, duration: Col<s, Duration>): Col<s, LocalTime>;

/**
 * Subtract a Duration from a LocalTime. If the LocalTime overflows (goes
 * before midnight) then the result will wrap around.
 *
 * SQL equivilent: `-`
 */
export declare function localTimeSubtract<s>(localTime: Col<s, LocalTime>, duration: Col<s, Duration>): Col<s, LocalTime>;

/**
 * The Period between two LocalDates.
 *
 * SQL equivilent: `age`
 */
export declare function periodBetween<s>(startDate: Col<s, LocalDate>, endDate: Col<s, LocalDate>): Col<s, Period>;