pub fn cost_category_references(
        &self,
    ) -> std::option::Option<&[crate::model::CostCategoryReference]> {
        self.cost_category_references.as_deref()
    }
/// <p> A reference to a Cost Category containing enough information to identify the Cost Category. </p>
 A reference to a Cost Category containing enough information to identify the Cost Category.
A reference to a Cost Category containing enough information to identify the Cost Category .
pub fn cost_category_references(
        &self,
    ) -> std::option::Option<&[crate::model::CostCategoryReference]> {
        self.cost_category_references.as_deref()
    }
pub fn cost_category_references ( & self , ) -> std :: option :: Option < & [ crate :: model :: CostCategoryReference ] > { self . cost_category_references . as_deref ( ) }
<p> A reference to a Cost Category containing enough information to identify the Cost Category.
<p > A reference to a Cost Category containing enough information to identify the Cost Category .
&self
&self