Check a value bound for an HTTP header (headerValueProblem) and return it, or throw a LadesaeulenValidationError (Invalid <name>: <reason>). The engine runs it on userAgent and every defaultHeaders value before any request.
headerValueProblem
Invalid <name>: <reason>
userAgent
defaultHeaders
Check a value bound for an HTTP header (
headerValueProblem) and return it, or throw a LadesaeulenValidationError (Invalid <name>: <reason>). The engine runs it onuserAgentand everydefaultHeadersvalue before any request.