Extensions for java.nio.charset.CharsetEncoder

charset	expect val CharsetEncoder.charset: Charset
encode	fun CharsetEncoder.encode(     input: CharSequence,     fromIndex: Int,     toIndex: Int,     dst: Output ): Unit fun CharsetEncoder.encode(     input: CharSequence,     fromIndex: Int = 0,     toIndex: Int = input.length ): ByteReadPacket fun CharsetEncoder.encode(     input: CharArray,     fromIndex: Int,     toIndex: Int,     dst: Output ): Unit
encodeToByteArray	expect fun CharsetEncoder.encodeToByteArray(     input: CharSequence,     fromIndex: Int = 0,     toIndex: Int = input.length ): ByteArray
encodeToByteArrayImpl	fun CharsetEncoder.encodeToByteArrayImpl(     input: CharSequence,     fromIndex: Int = 0,     toIndex: Int = input.length ): ByteArray
encodeUTF8	expect fun CharsetEncoder.encodeUTF8(     input: ByteReadPacket,     dst: Output ): Unit fun CharsetEncoder.encodeUTF8(     input: ByteReadPacket ): ByteReadPacket