pub fn source(
        &self,
    ) -> std::option::Option<
        &std::collections::HashMap<crate::model::DocumentSourceType, std::string::String>,
    > {
        self.source.as_ref()
    }
/// <p>The source of the document.</p>
The source of the document.
The source of the document .
pub fn source(
        &self,
    ) -> std::option::Option<
        &std::collections::HashMap<crate::model::DocumentSourceType, std::string::String>,
    > {
        self.source.as_ref()
    }
pub fn source ( & self , ) -> std :: option :: Option < & std :: collections :: HashMap < crate :: model :: DocumentSourceType , std :: string :: String > , > { self . source . as_ref ( ) }
<p>The source of the document.</p>
<p > The source of the document . < / p >
&self
&self