pub fn column_group_schema_list(
        &self,
    ) -> std::option::Option<&[crate::model::ColumnGroupSchema]> {
        self.column_group_schema_list.as_deref()
    }
/// <p>A structure containing the list of column group schemas.</p>
A structure containing the list of column group schemas.
A structure containing the list of column group schemas .
pub fn column_group_schema_list(
        &self,
    ) -> std::option::Option<&[crate::model::ColumnGroupSchema]> {
        self.column_group_schema_list.as_deref()
    }
pub fn column_group_schema_list ( & self , ) -> std :: option :: Option < & [ crate :: model :: ColumnGroupSchema ] > { self . column_group_schema_list . as_deref ( ) }
<p>A structure containing the list of column group schemas.</p>
<p > A structure containing the list of column group schemas . < / p >
&self
&self