Add back lower_bound as memeber
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@ -2481,6 +2481,8 @@ impl<R: Read + SizeHint> Iterator for Bytes<R> {
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#[stable(feature = "bufreader_size_hint", since = "1.51.0")]
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#[stable(feature = "bufreader_size_hint", since = "1.51.0")]
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trait SizeHint {
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trait SizeHint {
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fn lower_bound(&self) -> usize {
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fn upper_bound(&self) -> Option<usize> {
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fn upper_bound(&self) -> Option<usize> {
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None
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None
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}
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}
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