You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: _catalog_entry.rs
    path of file: ./repos/aws-sdk-rust/sdk/glue/src/types
    
    the code of the file until where you have to start completion: // Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.

/// <p>Specifies a table definition in the Glue Data Catalog.</p>
#[non_exhaustive]
#[derive(::std::clone::Clone, ::std::cmp::PartialEq, ::std::fmt::Debug)]
pub struct CatalogEntry {
    /// <p>The database in which the table metadata resides.</p>
    pub database_name: ::std::string::String,
    /// <p>The name of the table in question.</p>
    pub table_name: ::std::string::String,
}
impl CatalogEntry {
    /// <p>The database in which the table metadata resides.</p>
    pub fn database_name(&self) -> &str {
        use std::ops::Deref;
        self.data
    
    pub fn build(self) -> ::std::result::Result<crate::types::CatalogEntry, ::aws_smithy_types::error::operation::BuildError> {
        ::std::result::Result::Ok(crate::types::CatalogEntry {
            database_name: self.database_name.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "database_name",
                    "database_name was not specified but it is required when building CatalogEntry",
                )
            })?,
            table_name: self.table_name.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "table_name",
                    "table_name was not specified but it is required when building CatalogEntry",
                )
            })?,
        })
    }