AsUnion returns a [ProxyConfigRulesAwsUnion] interface which you can cast to the.
func (r ProxyConfigRulesAws) AsUnion() ProxyConfigRulesAwsUnionAsUnion returns a [ProxyConfigRulesAwsUnion] interface which you can cast to the specific types for more type safety.
Possible runtime types of the union are [ProxyConfigRulesAwsSandboxesProxyAwsRoleConfig], [ProxyConfigRulesAwsSandboxesProxyAwsStaticConfig].