New in version 2.0.
Replace larger right half of elements in container with little-endian rests:
abjad> staff = Staff("c'8 d'8 e'8 f'8 g'8 a'8 b'8 c''8 d''8 e''8")
abjad> f(staff)
\new Staff {
c'8
d'8
e'8
f'8
g'8
a'8
b'8
c''8
d''8
e''8
}
abjad> containertools.replace_larger_right_half_of_elements_in_container_with_little_endian_rests(staff)
Staff{7}
abjad> f(staff)
\new Staff {
c'8
d'8
e'8
f'8
g'8
r8
r2
}
Return container.