pub fn rules(
        &self,
    ) -> std::option::Option<&std::collections::HashMap<std::string::String, crate::model::Rule>>
    {
        self.rules.as_ref()
    }
/// <p>Validation rules that are attached to the attribute definition.</p>
Validation rules that are attached to the attribute definition.
Validation rules that are attached to the attribute definition .
pub fn rules(
        &self,
    ) -> std::option::Option<&std::collections::HashMap<std::string::String, crate::model::Rule>>
    {
        self.rules.as_ref()
    }
pub fn rules ( & self , ) -> std :: option :: Option < & std :: collections :: HashMap < std :: string :: String , crate :: model :: Rule > > { self . rules . as_ref ( ) }
<p>Validation rules that are attached to the attribute definition.</p>
<p > Validation rules that are attached to the attribute definition . < / p >
&self
&self