export type ServerSnapshotPhase = 'http-request' | 'routing-selected' | 'llm-switch-request' | 'compatibility-request' | 'compatibility-response' | 'llm-switch-response' | 'final-response' | 'http-response' | 'http-response.error' | string;
export declare function isSnapshotsEnabled(): boolean;
export declare function writeServerSnapshot(options: {
    phase: ServerSnapshotPhase;
    requestId: string;
    data: unknown;
    entryEndpoint?: string;
    providerKey?: string;
    groupRequestId?: string;
}): Promise<void>;