pub fn keys(
        &self,
    ) -> std::option::Option<
        &std::collections::HashMap<std::string::String, crate::model::AttributeValue>,
    > {
        self.keys.as_ref()
    }
/// <p>The primary key attribute(s) for the DynamoDB item that was modified.</p>
The primary key attribute(s) for the DynamoDB item that was modified.
The primary key attribute ( s ) for the DynamoDB item that was modified .
pub fn keys(
        &self,
    ) -> std::option::Option<
        &std::collections::HashMap<std::string::String, crate::model::AttributeValue>,
    > {
        self.keys.as_ref()
    }
pub fn keys ( & self , ) -> std :: option :: Option < & std :: collections :: HashMap < std :: string :: String , crate :: model :: AttributeValue > , > { self . keys . as_ref ( ) }
<p>The primary key attribute(s) for the DynamoDB item that was modified.</p>
<p > The primary key attribute ( s ) for the DynamoDB item that was modified . < / p >
&self
&self