export declare const ACCESSIBLE_COLORS: string[];
export declare const getAccessibleColor: () => string;
/** Milkdown throws this family of errors when ctx slots are read after editor teardown. */
export declare function isMilkdownContextNotFoundError(error: unknown): boolean;
/** After `connected`, treat remote as ready if `synced` never fires (mount + onSynced). */
export declare const REMOTE_SYNC_FALLBACK_MS = 1000;
/** Timeout for clearing IndexedDB cache before connecting to Hocuspocus. */
export declare const CLEAR_TIMEOUT_MS = 3000;
/** Skip y-indexeddb when less than this many bytes remain in the origin quota. */
export declare const MIN_INDEXEDDB_FREE_BYTES: number;
/** Skip y-indexeddb when origin storage usage exceeds this fraction of quota. */
export declare const MAX_INDEXEDDB_USAGE_RATIO = 0.95;