pub fn left_join_key_properties(
        &self,
    ) -> std::option::Option<&crate::model::JoinKeyProperties> {
        self.left_join_key_properties.as_ref()
    }
/// <p>Join key properties of the left operand.</p>
Join key properties of the left operand.
Join key properties of the left operand .
pub fn left_join_key_properties(
        &self,
    ) -> std::option::Option<&crate::model::JoinKeyProperties> {
        self.left_join_key_properties.as_ref()
    }
pub fn left_join_key_properties ( & self , ) -> std :: option :: Option < & crate :: model :: JoinKeyProperties > { self . left_join_key_properties . as_ref ( ) }
<p>Join key properties of the left operand.</p>
<p > Join key properties of the left operand . < / p >
&self
&self