def suggest_implied_attributes(prj):
def suggest(key):<EOL><INDENT>return "<STR_LIT>".format(<EOL>key, IMPLICATIONS_DECLARATION)<EOL><DEDENT>return [suggest(k) for k in prj if k in IDEALLY_IMPLIED]<EOL>
If given project contains what could be implied attributes, suggest that.

:param Iterable prj: Intent is a Project, but this could be any iterable
    of strings to check for suitability of declaration as implied attr
:return list[str]: (likely empty) list of warning messages about project
    config keys that could be implied attributes