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: error.rs
    path of file: ./repos/sqlx/examples/postgres/axum-social-with-tests/src/http
    
    the code of the file until where you have to start completion: use axum::http::StatusCode;
use axum::response::{IntoResponse, Response};
use axum::Json;

use serde_with::DisplayFromStr;
use validator::ValidationErrors;

/// An API-friendly error type.
#[derive(thiserror::Error, Debug)]
pub enum Error {
    /// A SQLx call returned an error.
    ///
    /// The exact error contents are not reported to the user in order to avoid leaking
    /// in
    
    fn into_response(self) -> Response {
        #[serde_with::serde_as]
        #[serde_with::skip_serializing_none]
        #[derive(serde::Serialize)]
        struct ErrorResponse<'a> {
            // Serialize the `Display` output as the error message
            #[serde_as(as = "DisplayFromStr")]
            message: &'a Error,

            errors: Option<&'a ValidationErrors>,
        }

        let errors = match &self {
            Error::InvalidEntity(errors) => Some(errors),
            _ => None,
        };

        // Normally you wouldn't just print this, but it's useful for debugging without
        // using a logging framework.
        println!("API error: {self:?}");

        (
            self.status_code(),
            Json(ErrorResponse {
                message: &self,
                errors,
            }),
        )
            .into_response()
    }