assertthat, crayon (>= 1.3.4), glue, methods, utils, fansi

callr, covr, htmlwidgets, knitr, mockery, rmarkdown,
rstudioapi, prettycode (>= 1.1.0), testthat, withr

Gábor Csárdi [aut, cre],
  Hadley Wickham [ctb],
  Kirill Müller [ctb]

Access the RStudio API (if available) and provide informative error
    messages when it's not.

c(
    person("Kevin", "Ushey", role = c("aut", "cre"), email = "kevin@rstudio.com"),
    person("JJ", "Allaire", role = c("aut"), email = "jj@rstudio.com"),
    person("Hadley", "Wickham", role = c("aut"), email = "hadley@rstudio.com"),
    person("Gary", "Ritchie", role = c("aut"), email = "gary@rstudio.com"),
    person(family = "RStudio", role = "cph")
    )

Kevin Ushey [aut, cre],
  JJ Allaire [aut],
  Hadley Wickham [aut],
  Gary Ritchie [aut],
  RStudio [cph]

Support for parallel computation, including by forking
   (taken from package multicore), by sockets (taken from package snow)
   and random-number generation.

c(
  person("Yihui", "Xie", role = c("aut", "cre", "cph"), email = "xie@yihui.name", comment = c(ORCID = "0000-0003-0645-5666")),
  person("Daijiang", "Li", role = "ctb"),
  person("Xianying", "Tan", role = "ctb"),
  person("Salim", "Brüggemann", role = "ctb", email = "salim-b@pm.me", comment = c(ORCID = "0000-0002-5329-5987")),
  person()
  )

Miscellaneous functions commonly used in other packages maintained by 'Yihui Xie'.

testit, parallel, rstudioapi, tinytex, mime, markdown, knitr,
htmltools, base64enc, remotes, rmarkdown

Yihui Xie [aut, cre, cph] (<https://orcid.org/0000-0003-0645-5666>),
  Daijiang Li [ctb],
  Xianying Tan [ctb],
  Salim Brüggemann [ctb] (<https://orcid.org/0000-0002-5329-5987>)

Run Code 'With' Temporarily Modified Global State

c(person(given = "Jim",
             family = "Hester",
             role = c("aut", "cre"),
             email = "james.f.hester@gmail.com"),
      person(given = "Kirill",
             family = "Müller",
             role = "aut",
             email = "krlmlr+r@mailbox.org"),
      person(given = "Kevin",
             family = "Ushey",
             role = "aut",
             email = "kevinushey@gmail.com"),
      person(given = "Hadley",
             family = "Wickham",
             role = "aut",
             email = "hadley@rstudio.com"),
      person(given = "Winston",
             family = "Chang",
             role = "aut"),
      person(given = "Richard",
             family = "Cotton",
             role = "ctb"),
      person(given = "RStudio",
             role = "cph"))