/**
 * An object that represents metadata about a record change via creation or modification.
 *
 * API schema: CKDBChangeMetadata
 * API version: 1.3.2
 */
export interface CKDBChangeMetadata {
    /**
     * The device where the change occurred.
     */
    deviceId?: string;
    /**
     * The time of the change.
     */
    timestamp: Date;
    /**
     * The record name that represents the user who made the change.
     */
    userRecordName: string;
}
/**
 * An object the provides the functions that
 * transform {@link CKDBChangeMetadata } to and from JSON.
 */
export declare const jsonCodecCKDBChangeMetadataOwnProperties: {
    /**
     * Get an encoder that transforms {@link CKDBChangeMetadata }'s
     * own properties to JSON.
     */
    readonly getEncoder: () => {
        readonly timestamp: (value: import("@apple/cktool.core").ConvertibleToDate) => import("@apple/cktool.core").ValidatedNEA<import("@apple/cktool.core").ValueNotDateError | import("@apple/cktool.core").ValueNotDateStringError, import("@apple/cktool.core").IsoDateString>;
        readonly deviceId: (value: string | import("fp-ts/lib/Option").Option<string> | null | undefined) => import("@apple/cktool.core").ValidatedNEA<import("@apple/cktool.core").ValueNotStringError, import("fp-ts/lib/Option").Option<string>>;
        readonly userRecordName: (value: string) => import("@apple/cktool.core").ValidatedNEA<import("@apple/cktool.core").ValueNotStringError, string>;
    };
    /**
     * Get a decoder that transforms {@link CKDBChangeMetadata }'s
     * own properties from JSON.
     */
    readonly getDecoder: () => {
        readonly timestamp: (value: string) => import("@apple/cktool.core").ValidatedNEA<import("@apple/cktool.core").ValueNotDateStringError | import("@apple/cktool.core").ValueNotStringError, Date>;
        readonly deviceId: (value: string | import("fp-ts/lib/Option").Option<string> | null | undefined) => import("@apple/cktool.core").ValidatedNEA<import("@apple/cktool.core").ValueNotStringError, import("fp-ts/lib/Option").Option<string>>;
        readonly userRecordName: (value: string) => import("@apple/cktool.core").ValidatedNEA<import("@apple/cktool.core").ValueNotStringError, string>;
    };
};