pkg go/doc, const AllDecls Mode
pkg go/doc, const AllMethods Mode
pkg go/doc, func Examples(...*ast.File) []*Example
pkg go/doc, func New(*ast.Package, string, Mode) *Package
pkg go/doc, func Synopsis(string) string
pkg go/doc, func ToHTML(io.Writer, string, map[string]string)
pkg go/doc, func ToText(io.Writer, string, string, string, int)
pkg go/doc, method (*Package) Filter(Filter)
pkg go/doc, type Example struct