async fn list_connections(
        &self,
        input: ListConnectionsInput,
    ) -> Result<ListConnectionsOutput, RusotoError<ListConnectionsError>> {
        let mut request = self.new_signed_request("POST", "/");
        request.add_header(
            "x-amz-target",
            "com.amazonaws.codestar.connections.CodeStar_connections_20191201.ListConnections",
        );
        let encoded = serde_json::to_string(&input).unwrap();
        request.set_payload(Some(encoded));

        let response = self
            .sign_and_dispatch(request, ListConnectionsError::from_response)
            .await?;
        let mut response = response;
        let response = response.buffer().await.map_err(RusotoError::HttpDispatch)?;
        proto::json::ResponsePayload::new(&response).deserialize::<ListConnectionsOutput, _>()
    }
<p>Lists the connections associated with your account.</p>
rusoto/services/codestar-connections/src/generated.rs