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: _ingestion_job_summary.rs
    path of file: ./repos/aws-sdk-rust/sdk/bedrockagent/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.

/// Summary information of an ingestion job.
#[non_exhaustive]
#[derive(::std::clone::Clone, ::std::cmp::PartialEq, ::std::fmt::Debug)]
pub struct IngestionJobSummary {
    /// Identifier for a
    
    pub fn build(self) -> ::std::result::Result<crate::types::IngestionJobSummary, ::aws_smithy_types::error::operation::BuildError> {
        ::std::result::Result::Ok(crate::types::IngestionJobSummary {
            knowledge_base_id: self.knowledge_base_id.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "knowledge_base_id",
                    "knowledge_base_id was not specified but it is required when building IngestionJobSummary",
                )
            })?,
            data_source_id: self.data_source_id.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "data_source_id",
                    "data_source_id was not specified but it is required when building IngestionJobSummary",
                )
            })?,
            ingestion_job_id: self.ingestion_job_id.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "ingestion_job_id",
                    "ingestion_job_id was not specified but it is required when building IngestionJobSummary",
                )
            })?,
            description: self.description,
            status: self.status.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "status",
                    "status was not specified but it is required when building IngestionJobSummary",
                )
            })?,
            started_at: self.started_at.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "started_at",
                    "started_at was not specified but it is required when building IngestionJobSummary",
                )
            })?,
            updated_at: self.updated_at.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "updated_at",
                    "updated_at was not specified but it is required when building IngestionJobSummary",
                )
            })?,
            statistics: self.statistics,
        })
    }