- build
- setColumn
required .ColumnProto column = 1;
- setAscending
optional bool ascending = 2 [default = true];
- setNullFirst
optional bool nullFirst = 3 [default = false];
- <init>
- buildPartial
- getColumn
required .ColumnProto column = 1;
- getColumnFieldBuilder
required .ColumnProto column = 1;
- getParentForChildren
- hasColumn
required .ColumnProto column = 1;
- isClean
- maybeForceBuilderInitialization