httr, jsonlite, checkmate, rlang (>= 1.1.0)
knitr (>= 1.11), testthat, rmarkdown, xml2
knitr (>= 1.11), testthat, rmarkdown, xml2, lintr
knitr (>= 1.11), testthat, httptest, rmarkdown, xml2, lintr,
covr, ggplot2, tibble