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// Code generated by software.amazon.smithy.rust.codegen.smithy-rs. DO NOT EDIT.
pub(crate) fn de_realtime_contact_analysis_segment<'a, I>(
    tokens: &mut ::std::iter::Peekable<I>,
) -> Result<Option<crate::types::RealtimeContactAnalysisSegment>, ::aws_smithy_json::deserialize::error::DeserializeError>
where
    I: Iterator<Item = Result<::aws_smithy_json::deserialize::Token<'a>, ::aws_smithy_json::deserialize::error::DeserializeError>>,
{
    let mut variant = None;
    match tokens.next().transpose()? {
        Some(::aws_smithy_json::deserialize::Token::ValueNull { .. }) => return Ok(None),
        Some(::aws_smithy_json::deserialize::Token::StartObject { .. }) => loop {
            match tokens.next().transpose()? {
                Some(::aws_smithy_json::deserialize::Token::EndObject { .. }) => break,
                Some(::aws_smithy_json::deserialize::Token::ObjectKey { key, .. }) => {
                    let key = key.to_unescaped()?;
                    if key == "__type" {
                        ::aws_smithy_json::deserialize::token::skip_value(tokens)?;
                        continue;
                    }
                    if variant.is_some() {
                        return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
                            "encountered mixed variants in union",
                        ));
                    }
                    variant = match key.as_ref() {
                            "Transcript" => {
                                Some(crate::types::RealtimeContactAnalysisSegment::Transcript(
                                    crate::protocol_serde::shape_real_time_contact_analysis_segment_transcript::de_real_time_contact_analysis_segment_transcript(tokens)?
                                    .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Transcript' cannot be null"))?
                                ))
                            }
                            "Categories" => {
                                Some(crate::types::RealtimeContactAnalysisSegment::Categories(
                                    crate::protocol_serde::shape_real_time_contact_analysis_segment_categories::de_real_time_contact_analysis_segment_categories(tokens)?
                                    .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Categories' cannot be null"))?
                                ))
                            }
                            "Issues" => {
                                Some(crate::types::RealtimeContactAnalysisSegment::Issues(
                                    crate::protocol_serde::shape_real_time_contact_analysis_segment_issues::de_real_time_contact_analysis_segment_issues(tokens)?
                                    .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Issues' cannot be null"))?
                                ))
                            }
                            "Event" => {
                                Some(crate::types::RealtimeContactAnalysisSegment::Event(
                                    crate::protocol_serde::shape_real_time_contact_analysis_segment_event::de_real_time_contact_analysis_segment_event(tokens)?
                                    .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Event' cannot be null"))?
                                ))
                            }
                            "Attachments" => {
                                Some(crate::types::RealtimeContactAnalysisSegment::Attachments(
                                    crate::protocol_serde::shape_real_time_contact_analysis_segment_attachments::de_real_time_contact_analysis_segment_attachments(tokens)?
                                    .ok_or_else(|| ::aws_smithy_json::deserialize::error::DeserializeError::custom("value for 'Attachments' cannot be null"))?
                                ))
                            }
                            _ => {
                                                                              ::aws_smithy_json::deserialize::token::skip_value(tokens)?;
                                                                              Some(crate::types::RealtimeContactAnalysisSegment::Unknown)
                                                                            }
                        };
                }
                other => {
                    return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(format!(
                        "expected object key or end object, found: {:?}",
                        other
                    )))
                }
            }
        },
        _ => {
            return Err(::aws_smithy_json::deserialize::error::DeserializeError::custom(
                "expected start object or null",
            ))
        }
    }
    Ok(variant)
}