// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
impl super::Client {
    /// Constructs a fluent builder for the [`DescribeAppInstanceUser`](crate::operation::describe_app_instance_user::builders::DescribeAppInstanceUserFluentBuilder) operation.
    ///
    /// - The fluent builder is configurable:
    ///   - [`app_instance_user_arn(impl Into<String>)`](crate::operation::describe_app_instance_user::builders::DescribeAppInstanceUserFluentBuilder::app_instance_user_arn) / [`set_app_instance_user_arn(Option<String>)`](crate::operation::describe_app_instance_user::builders::DescribeAppInstanceUserFluentBuilder::set_app_instance_user_arn):<br>required: **true**<br><p>The ARN of the <code>AppInstanceUser</code>.</p><br>
    /// - On success, responds with [`DescribeAppInstanceUserOutput`](crate::operation::describe_app_instance_user::DescribeAppInstanceUserOutput) with field(s):
    ///   - [`app_instance_user(Option<AppInstanceUser>)`](crate::operation::describe_app_instance_user::DescribeAppInstanceUserOutput::app_instance_user): <p>The name of the <code>AppInstanceUser</code>.</p>
    /// - On failure, responds with [`SdkError<DescribeAppInstanceUserError>`](crate::operation::describe_app_instance_user::DescribeAppInstanceUserError)
    #[deprecated(note = "Replaced by DescribeAppInstanceUser in the Amazon Chime SDK Identity Namespace")]
    pub fn describe_app_instance_user(&self) -> crate::operation::describe_app_instance_user::builders::DescribeAppInstanceUserFluentBuilder {
        crate::operation::describe_app_instance_user::builders::DescribeAppInstanceUserFluentBuilder::new(self.handle.clone())
    }
}