Imports github.com/mackerelio/mackerel-client-go github.com/mattn/go-sixel golang.org/x/image/draw golang.org/x/image/font golang.org/x/image/font/inconsolata golang.org/x/image/math/fixed golang.org/x/sync/errgroup golang.org/x/term Standard library imports bytes encoding/base64 fmt image image/color image/png math os regexp sort strings sync time