Trailing whitespaces in triple-quoted string literals

Could you please show some examples? Examples like this:

"""
CLASSES
    builtins.object
        A
        B
        C
    
    class A(builtins.object)
     |  Hello and goodbye
     |  
     |  Methods defined here:
     |  
     |  __init__()
     |      Wow, I have no function!
     |  
     |  ----------------------------------------------------------------------
     |  Data descriptors defined here:
     |  
     |  __dict__%s
     |  
     |  __weakref__%s
    
    class B(builtins.object)
"""

Do you see trailing spaces here?