export declare type CursorDataType = {
    [fieldName: string]: any;
} | any;
export declare function base64(i: string): string;
export declare function unbase64(i: string): string;
export declare function cursorToData(cursor?: string | any): CursorDataType | number | null;
export declare function dataToCursor(data: CursorDataType | number): string;
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