- s
- the CharSequence to append.
- start
- the inclusive start index.
- end
- the exclusive end index.
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Type Reason Java.Lang.IndexOutOfBoundsException if start or end are negative, start is greater than end or end is greater than the length of s.
Appends the specified subsequence of the CharSequence to this buffer.
If the specified CharSequence is null, then the string "null" is used to extract a subsequence.