import * as z from "zod/v3";
import { Result as SafeParseResult } from "../../types/fp.js";
import { SDKValidationError } from "../errors/sdkvalidationerror.js";
export type NTPNTPHeader = {
    /**
     * An enumerated value from 0 to 3 signifying whether a leap second will occur at the end of the current month. 0 signifies no leap second, 1 signifies an additive leap second, 2 signifies a subtractive leap second, and 3 signifies the state is unknown.
     */
    leapIndicator?: number | undefined;
    /**
     * An enumerated value from 0 to 7 signifying the operational mode of the server.
     */
    mode?: number | undefined;
    /**
     * The interval within which the server will expect a subsequent synchronization message, in log2 seconds.
     */
    poll?: number | undefined;
    /**
     * The precision of the system's clock, in log2 seconds.
     */
    precision?: number | undefined;
    /**
     * The identifier of the reference clock. For servers in stratum 1, one of an IANA-maintained list of sources. For servers in stratum 2, the ID of the stratum 1 server from which the time was retrieved (usually, its IP address), etc.
     */
    referenceId?: string | undefined;
    /**
     * The number of servers between a client and a non-NTP time source. 1 signifies that the server is authoritative, having direct access to a sensor. 2 signifies that the server got its time from a "stratum 1" server, etc. 16 means the clock is unsynchronized.
     */
    stratum?: number | undefined;
    /**
     * The NTP version indicated in the server's response.
     */
    version?: number | undefined;
};
/** @internal */
export declare const NTPNTPHeader$inboundSchema: z.ZodType<NTPNTPHeader, z.ZodTypeDef, unknown>;
export declare function ntpNTPHeaderFromJSON(jsonString: string): SafeParseResult<NTPNTPHeader, SDKValidationError>;
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