"The Library" refers to a covered work governed by this License,
other than an Application or a Combined Work as defined below.

  An "Application" is any work that makes use of an interface provided
by the Library, but which is not otherwise based on the Library.
Defining a subclass of a class defined by the Library is deemed a mode
of using an interface provided by the Library.

pkg crypto/x509, var IncorrectPasswordError error
pkg database/sql, method (*DB) Ping() error
pkg database/sql, method (*DB) SetMaxIdleConns(int)
pkg database/sql/driver, type Queryer interface { Query }
pkg database/sql/driver, type Queryer interface, Query(string, []Value) (Rows, error)
pkg debug/dwarf, const AttrAbstractOrigin = 49
pkg debug/dwarf, const AttrAccessibility = 50
pkg debug/dwarf, const AttrAddrClass = 51