export declare function brokerIdentityPath(agentDir: string): string;
export declare function getBrokerIdentityKey(agentDir: string): Promise<string>;
export declare function deriveIdempotencyIdentity(agentDir: string, operation: string, callerKey: string, _protocolVersionOrLegacyTargetHash?: string): Promise<string>;
export declare function deriveLegacyTargetIdentity(agentDir: string, operation: string, callerKey: string, canonicalTargetHash: string): Promise<string>;