export(
       as.gantt,
       read.burndown,
       plot.burndown,
       read.gantt,
       plot.gantt,
       summary.gantt,
       trim.whitespace
)
S3method(plot, burndown)
S3method(print, summary.burndown)
S3method(summary, burndown)
S3method(plot, gantt)
S3method(summary, gantt)
S3method(print, summary.gantt)
