Interface Logger

interface Logger {
    debug: (
        messageOrLambda: string | () => string,
        namespace: string,
    ) => void;
    error: (messageOrLambda: string | () => string, namespace: string) => void;
    info: (messageOrLambda: string | () => string, namespace: string) => void;
    warning: (
        messageOrLambda: string | () => string,
        namespace: string,
    ) => void;
}