crunch/src/main/java/com/twitter/elephantbird/crunch/LzoProtobufSource.java
public static <S extends Message> LzoProtobufSource<S> at(Path path, Class<S> protoClass) {
    return new LzoProtobufSource<S>(path, EBTypes.protos(protoClass));
  }
public static <S extends Message> LzoProtobufSource<S> at(Path path, Class<S> protoClass) {
    return new LzoProtobufSource<S>(path, EBTypes.protos(protoClass));
  }
Factory method for creating a new {@code LzoProtobufSource} from a given path and protocol buffer
message class.

@param path path to the data
@param protoClass the Message class to read
@return a new {@code LzoProtobufSource}