refactor NodeTreeFormatter
refactor NodeTreeFormatter

yitznewton/emeraldview-tidhar,yitznewton/emeraldview-tidhar,yitznewton/emeraldview,yitznewton/emeraldview,yitznewton/emeraldview-tidhar,yitznewton/emeraldview-tidhar,yitznewton/emeraldview,yitznewton/emeraldview