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                },
            );
        };
    }
}

if ($ENV{LAMBDA_TASK_ROOT}) {
    # AWS::XRay is loaded in AWS Lambda worker.
    # notify the Lambda Runtime that initialization is complete.
    unless (mkdir '/tmp/.aws-xray') {
        # ignore the error if the directory is already exits or other process created it.
        my $err = $!;
        unless (-d '/tmp/.aws-xray') {
            warn "failed to make directory: $err";
        }
    }
    open my $fh, '>', '/tmp/.aws-xray/initialized' or warn "failed to create file: $!";
    close $fh;
    utime undef, undef, '/tmp/.aws-xray/initialized' or warn "failed to touch file: $!";

    # patch the capture