src/main/java/org/apache/datasketches/vector/decomposition/PreambleUtil.java [115:123]:
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    final StringBuilder sb = new StringBuilder();
    sb.append(LS)
            .append("### START ")
            .append(family.getFamilyName().toUpperCase())
            .append(" PREAMBLE SUMMARY").append(LS)
            .append("Byte  0: Preamble Longs       : ").append(preLongs).append(LS)
            .append("Byte  1: Serialization Version: ").append(serVer).append(LS)
            .append("Byte  2: Family               : ").append(family.toString()).append(LS)
            .append("Byte  3: Flags Field          : ").append(flagsStr).append(LS)
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src/main/java/org/apache/datasketches/vector/matrix/MatrixPreambleUtil.java [117:125]:
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    final StringBuilder sb = new StringBuilder();
    sb.append(LS)
            .append("### START ")
            .append(family.getFamilyName().toUpperCase())
            .append(" PREAMBLE SUMMARY").append(LS)
            .append("Byte  0: Preamble Longs       : ").append(preLongs).append(LS)
            .append("Byte  1: Serialization Version: ").append(serVer).append(LS)
            .append("Byte  2: Family               : ").append(family.toString()).append(LS)
            .append("Byte  3: Flags Field          : ").append(flagsStr).append(LS)
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