in lib/elastic/transport/transport/base.rb [417:428]
def decompress_response(body)
return body unless gzipped?(body)
io = StringIO.new(body)
gzip_reader = if RUBY_ENCODING
Zlib::GzipReader.new(io, encoding: 'ASCII-8BIT')
else
Zlib::GzipReader.new(io)
end
gzip_reader.read
end