import { EthAddress } from '@aztec/foundation/eth-address';
import { z } from 'zod';
/**
 * Symbol for Node.js custom inspect. Using Symbol.for() is the documented way to
 * reference this without importing node:util. In browsers, objects with this symbol
 * simply won't have custom inspect behavior (which is fine).
 * @see https://nodejs.org/api/util.html#utilinspectcustom
 */
declare const inspectCustomSymbol: unique symbol;
/**
 * Represents a version record for storing in a version file.
 */
export declare class DatabaseVersion {
    /** The version of the data on disk. Used to perform upgrades */
    readonly schemaVersion: number;
    /** The rollup the data pertains to */
    readonly rollupAddress: EthAddress;
    constructor(
    /** The version of the data on disk. Used to perform upgrades */
    schemaVersion: number, 
    /** The rollup the data pertains to */
    rollupAddress: EthAddress);
    toBuffer(): Buffer;
    static fromBuffer(buf: Buffer): DatabaseVersion;
    /**
     * Compares two versions. If the rollups addresses are different then it returns undefined
     */
    cmp(other: DatabaseVersion): undefined | -1 | 0 | 1;
    /**
     * Checks if two versions exactly match
     */
    equals(other: DatabaseVersion): boolean;
    /**
     * Returns the schema for this class
     */
    static get schema(): z.ZodEffects<z.ZodObject<{
        schemaVersion: z.ZodNumber;
        rollupAddress: z.ZodType<EthAddress, any, string>;
    }, "strip", z.ZodTypeAny, {
        schemaVersion: number;
        rollupAddress: EthAddress;
    }, {
        schemaVersion: number;
        rollupAddress: string;
    }>, DatabaseVersion, {
        schemaVersion: number;
        rollupAddress: string;
    }>;
    /** Allows for better introspection in Node.js console. Ignored in browser envs. */
    [inspectCustomSymbol](): string;
    toString(): string;
    /**
     * Returns an empty instance
     */
    static empty(): DatabaseVersion;
}
export {};
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