Get the project authors.
Get the packages the project declares, grouped by how they are declared.
Get the encoding the project's files are written in.
Get the project licenses.
Get the project namespace.
Any symbol resolve like a::b will resolve against this, if a matches the namespace.
Get the project name.
Get the project title.
Get the project version.
Get the R version the project targets, if any source declares one.
The name of this context.