export declare enum PhysicalLevelTechnique {
    NONE = "NONE",
    /**
     * Preferred option, tends to produce the best compression ratio and decoding performance.
     * But currently only limited to 32 bit integer.
     */
    FAST_PFOR = "FAST_PFOR",
    /**
     * Can produce better results in combination with a heavyweight compression scheme like Gzip.
     * Simple compression scheme where the decoder are easier to implement compared to FastPfor.
     */
    VARINT = "VARINT"
}