import type { Fr } from '@aztec/foundation/curves/bn254';
import type { AztecAddress } from '@aztec/stdlib/aztec-address';
import type { ContractClassPublic, ContractInstanceWithAddress } from '@aztec/stdlib/contract';
export declare class ContractsDbCheckpoint {
    private instances;
    private classes;
    private bytecodeCommitments;
    addInstance(address: AztecAddress, instance: ContractInstanceWithAddress): void;
    addClass(classId: Fr, contractClass: ContractClassPublic): void;
    addBytecodeCommitment(classId: Fr, commitment: Fr): void;
    getInstance(address: AztecAddress): ContractInstanceWithAddress | undefined;
    getClass(classId: Fr): ContractClassPublic | undefined;
    getBytecodeCommitment(classId: Fr): Fr | undefined;
    fork(): ContractsDbCheckpoint;
}
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