"Internal implementation package not meant for direct consumption.  Please do not reference directly. Provides base abstract encoding classes for converting blocks of characters to and from blocks of bytes.Commonly Used Types:System.Text.EncodingSystem.Text.DecoderFallbackExceptionSystem.Text.DecoderSystem.Text.EncoderFallbackExceptionSystem.Text.EncoderSystem.Text.EncoderFallbackSystem.Text.EncoderFallbackBufferSystem.Text.DecoderFallbackSystem.Text.DecoderFallbackBufferSystem.Text.DecoderExceptionFallback When using NuGet 3.x this package requires at least version 3.4."