// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
impl super::Client {
    /// Constructs a fluent builder for the [`UpdateFunction`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder) operation.
    ///
    /// - The fluent builder is configurable:
    ///   - [`name(impl Into<String>)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::name) / [`set_name(Option<String>)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::set_name):<br>required: **true**<br><p>The name of the function that you are updating.</p><br>
    ///   - [`if_match(impl Into<String>)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::if_match) / [`set_if_match(Option<String>)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::set_if_match):<br>required: **true**<br><p>The current version (<code>ETag</code> value) of the function that you are updating, which you can get using <code>DescribeFunction</code>.</p><br>
    ///   - [`function_config(FunctionConfig)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::function_config) / [`set_function_config(Option<FunctionConfig>)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::set_function_config):<br>required: **true**<br><p>Configuration information about the function.</p><br>
    ///   - [`function_code(Blob)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::function_code) / [`set_function_code(Option<Blob>)`](crate::operation::update_function::builders::UpdateFunctionFluentBuilder::set_function_code):<br>required: **true**<br><p>The function code. For more information about writing a CloudFront function, see <a href="https://docs.aws.amazon.com/AmazonCloudFront/latest/DeveloperGuide/writing-function-code.html">Writing function code for CloudFront Functions</a> in the <i>Amazon CloudFront Developer Guide</i>.</p><br>
    /// - On success, responds with [`UpdateFunctionOutput`](crate::operation::update_function::UpdateFunctionOutput) with field(s):
    ///   - [`function_summary(Option<FunctionSummary>)`](crate::operation::update_function::UpdateFunctionOutput::function_summary): <p>Contains configuration information and metadata about a CloudFront function.</p>
    ///   - [`e_tag(Option<String>)`](crate::operation::update_function::UpdateFunctionOutput::e_tag): <p>The version identifier for the current version of the CloudFront function.</p>
    /// - On failure, responds with [`SdkError<UpdateFunctionError>`](crate::operation::update_function::UpdateFunctionError)
    pub fn update_function(&self) -> crate::operation::update_function::builders::UpdateFunctionFluentBuilder {
        crate::operation::update_function::builders::UpdateFunctionFluentBuilder::new(self.handle.clone())
    }
}