import Long from "long";
export interface Duration {
    /**
     * Signed seconds of the span of time. Must be from -315,576,000,000
     * to +315,576,000,000 inclusive. Note: these bounds are computed from:
     * 60 sec/min * 60 min/hr * 24 hr/day * 365.25 days/year * 10000 years
     */
    seconds: Long;
    /**
     * Signed fractions of a second at nanosecond resolution of the span
     * of time. Durations less than one second are represented with a 0
     * `seconds` field and a positive or negative `nanos` field. For durations
     * of one second or more, a non-zero value for the `nanos` field must be
     * of the same sign as the `seconds` field. Must be from -999,999,999
     * to +999,999,999 inclusive.
     */
    nanos: number;
}
/**
 * @param duration nanoseconds
 */
export declare function toDuration(duration: string): Duration;
/**
 * @return nanoseconds
 */
export declare function fromDuration(duration: Duration): string;
export interface Timestamp {
    /**
     * Represents seconds of UTC time since Unix epoch
     * 1970-01-01T00:00:00Z. Must be from 0001-01-01T00:00:00Z to
     * 9999-12-31T23:59:59Z inclusive.
     */
    seconds: Long;
    /**
     * Non-negative fractions of a second at nanosecond resolution. Negative
     * second values with fractions must still have non-negative nanos values
     * that count forward in time. Must be from 0 to 999,999,999
     * inclusive.
     */
    nanos: number;
}
export declare function toTimestamp(date: Date): Timestamp;
export declare function fromTimestamp(t: Timestamp): Date;
export declare function numberToLong(number: number): Long;