export declare const LOG_COLLECTION_SCOPE: "worldwide";
export type LogCollectionScope = typeof LOG_COLLECTION_SCOPE | "us-only";
export declare const LOG_RETENTION_DAYS = 30;
export declare const LOG_RETENTION_MS: number;
export declare const LOG_BODY_MAX_CHARS = 4096;
export declare const LOG_BACKEND_BURST_LIMIT = 30;
export declare const LOG_BACKEND_BURST_WINDOW_MS = 10000;
export declare const LOG_BACKEND_SUSTAINED_LIMIT = 300;
export declare const LOG_BACKEND_SUSTAINED_WINDOW_MS = 60000;
export declare const LOG_CLIENT_BUFFER_MAX_EVENTS = 200;
export declare const LOG_CLIENT_SESSION_MAX_EVENTS = 1000;
export declare const LOG_CLIENT_FLUSH_INTERVAL_MS = 10000;
export declare const LOG_CLIENT_BATCH_MAX_EVENTS = 64;
export declare const LOG_CLIENT_REQUEST_MAX_BYTES: number;
export declare const LOG_CLIENT_BURST_LIMIT = 60;
export declare const LOG_CLIENT_BURST_WINDOW_MS = 10000;
export declare const LOG_CLIENT_SUSTAINED_LIMIT = 600;
export declare const LOG_CLIENT_SUSTAINED_WINDOW_MS = 60000;
export declare const LOG_CLIENT_DEVICE_WINDOWS_MAX = 2000;
export declare const LOG_CLIENT_ROUTE_PATH = "/_log";
export type VibeLogLane = "backend" | "client";
export type VibeLogTrigger = "fetch" | "scheduled" | "onchange" | "client";
export declare const LOG_CLIENT_TRIGGER: "client";
export type VibeLogLevel = "debug" | "info" | "warn" | "error";
export declare function normalizeLogLevel(level: unknown): VibeLogLevel;
export declare function truncateLogBody(body: string): string;
export declare function logEventIdPrefix(epochMs: number): string;
export interface LogIdLatch {
    lastMs: number;
    seq: number;
}
export declare function newLogIdLatch(): LogIdLatch;
export declare function mintLogEventId(latch: LogIdLatch, epochMs: number, suffix: string): string;
export declare function logEventIdFloor(epochMs: number): string;
export declare function logRetentionIdFloor(nowMs: number): string;