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package sbt
final class DeferredWriter(make: => Writer) extends Writer
private[this] var opened = false
private[this] var delegate0: Writer = _
private[this] def delegate: Writer = synchronized {
if(delegate0 eq null) {
delegate0 = make
opened = true
override def close() = synchronized {
if(opened) delegate0.close()
override def append(c: Char): Writer = delegate.append(c)
override def append(csq: CharSequence): Writer = delegate.append(csq)
override def append(csq: CharSequence, start: Int, end: Int): Writer = delegate.append(csq, start, end)
override def flush() = delegate.flush()
override def write(cbuf: Array[Char]) = delegate.write(cbuf)
override def write(cbuf: Array[Char], off: Int, len: Int): Unit = delegate.write(cbuf, off, len)
override def write(c: Int): Unit = delegate.write(c)
override def write(s: String): Unit = delegate.write(s)
override def write(s: String, off: Int, len: Int): Unit = delegate.write(s, off, len)
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