export declare const SYNC_DIRECTIONS: {
    DO_NOT_SYNC: string;
    PUSH_TO_CENTRAL: string;
    PUSH_TO_CENTRAL_THEN_DELETE: string;
    PULL_FROM_CENTRAL: string;
    BIDIRECTIONAL: string;
};
export declare const SYNC_DIRECTIONS_VALUES: string[];
declare const NEVER_USE_ZERO: unique symbol;
export declare const SYNC_STREAM_MESSAGE_KIND: {
    [NEVER_USE_ZERO]: number;
    END: number;
    SESSION_WAITING: number;
    PULL_WAITING: number;
    PULL_CHANGE: number;
};
export {};
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