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: _input_update.rs
    path of file: ./repos/aws-sdk-rust/sdk/kinesisanalyticsv2/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>For a SQL-based Kinesis Data Analytics application, describes updates to a specific input configuration (identified by the <code>InputId</code> of an application).</p>
#[non_exhaustive]
#[derive(::std::clone::Clone, ::std::cmp::PartialEq, ::std::fmt::Debug)]
pub struct InputUpdate {
    /// <p>The input ID of the application input to be updated.</p>
    pub input_id: ::std::string::String,
    /// <p>The name prefix for in-application streams that 
    
    pub fn build(self) -> ::std::result::Result<crate::types::InputUpdate, ::aws_smithy_types::error::operation::BuildError> {
        ::std::result::Result::Ok(crate::types::InputUpdate {
            input_id: self.input_id.ok_or_else(|| {
                ::aws_smithy_types::error::operation::BuildError::missing_field(
                    "input_id",
                    "input_id was not specified but it is required when building InputUpdate",
                )
            })?,
            name_prefix_update: self.name_prefix_update,
            input_processing_configuration_update: self.input_processing_configuration_update,
            kinesis_streams_input_update: self.kinesis_streams_input_update,
            kinesis_firehose_input_update: self.kinesis_firehose_input_update,
            input_schema_update: self.input_schema_update,
            input_parallelism_update: self.input_parallelism_update,
        })
    }