Dependencies returns the set of all dependencies of the named standard packages, including the initial package, in a deterministic topological order.

HasPackage reports whether the specified package path is part of the standard library's public API.

Imports returns the sequence of packages directly imported by the named standard packages, in name order.

"Pi".

"Point.X".

"Println".

Example name:.

"(*Buffer).Grow".

"Buffer".

"EOF".

A Kind indicates the kind of a symbol: function, variable, constant, type, and so on.

A Version represents a version of Go of the form "go1.%d".