question: public void copy ( final int offset , final NativeMemoryChunk other , final int otherOffset , final int count ) { Preconditions . checkNotNull ( other ) ; if ( other . mNativePtr == mNativePtr ) { Log . w ( TAG , "Copying from NativeMemoryChunk " + Integer . toHexString ( System . identityHashCode ( this ) ) + " to NativeMemoryChunk " + Integer . toHexString ( System . identityHashCode ( other ) ) + " which share the same address " + Long . toHexString ( mNativePtr ) ) ; Preconditions . checkArgument ( false ) ; } if ( other . mNativePtr < mNativePtr ) { synchronized ( other ) { synchronized ( this ) { doCopy ( offset , other , otherOffset , count ) ; } } return ; } synchronized ( this ) { synchronized ( other ) { doCopy ( offset , other , otherOffset , count ) ; } } }
target:  Copy bytes from native memory wrapped by this NativeMemoryChunk instance to native memory wrapped by other NativeMemoryChunk