Ensures the root of chain has a trusted certificate in trust_dir and the digests of the two certificates match according to digester
Return the 2 dependency objects that conflicted
Returns true if this gem is installable for the current platform.
Returns true if this gem is installable for the current platform.
Returns true if this specification is installable on this platform.
Add a certificate to trusted certificate list.
Returns a list of outgoing ids for the current block. This list can be used in conjunction with Block#id to construct a graph of block objects.
This method verifies that there are no (obvious) ambiguities with the provided col_sep and strip parsing options. For example, if col_sep and strip were both equal to \t, then there would be no clear way to parse the input.