Trim End of Line Whitespace - Controls whether to trim end of line whitespaces.
Trim Whitespace Lines - Controls whether to trim lines containing only whitespaces.
Compact Whitespace Groups - Controls whether to compact consecutive whitespace characters. It does not affect indentation, that is the whitespace at the beginning of a line is not affected by this option.
Tabs and Spaces - Lines are indented using tabs or spaces depending on how the following preferences from
File > Preferences > Settings > Text Editor > Editor are configured:
Insert Spaces option controls if the indentation will use space characters or tabs.
Tab Size option controls the size of a tab in spaces.
Add Whitespace Before - List of tokens before which whitespace will be added.
Add Whitespace After - List of tokens after which whitespace will be added.