pub fn cache_parameter_groups(
        &self,
    ) -> std::option::Option<&[crate::model::CacheParameterGroup]> {
        self.cache_parameter_groups.as_deref()
    }
/// <p>A list of cache parameter groups. Each element in the list contains detailed information about one cache parameter group.</p>
A list of cache parameter groups. Each element in the list contains detailed information about one cache parameter group.
A list of cache parameter groups . Each element in the list contains detailed information about one cache parameter group .
pub fn cache_parameter_groups(
        &self,
    ) -> std::option::Option<&[crate::model::CacheParameterGroup]> {
        self.cache_parameter_groups.as_deref()
    }
pub fn cache_parameter_groups ( & self , ) -> std :: option :: Option < & [ crate :: model :: CacheParameterGroup ] > { self . cache_parameter_groups . as_deref ( ) }
<p>A list of cache parameter groups.
<p > A list of cache parameter groups .
&self
&self