trueBlock.getVariable(pageBuilderVariable)
.push(projectionIndex)
.invokeVirtual(PageBuilder.class, "getBlockBuilder", BlockBuilder.class, int.class);
// project(block..., blockBuilder)
trueBlock.invokeVirtual(classDefinition.getType(),
"project_" + projectionIndex,
type(void.class),
type(ConnectorSession.class),
type(RecordCursor.class),
type(BlockBuilder.class));