public GetProjectionsSpec build() {
        return new GetProjectionsSpec(fieldList, includePartitionPattern, excludePartitionPattern);
    }
Builder for the GetProjectionsSpec. This is a projection specification for partitions returned from the HMS.
standalone-metastore/metastore-server/src/main/java/org/apache/hadoop/hive/metastore/client/builder/GetPartitionProjectionsSpecBuilder.java