import Foundation public enum PoeSettingsReader {    public static let apiKeyEnvironmentKey = "POE_API_KEY"     public static func apiKey(        environment: [String: String] = ProcessInfo.processInfo.environment) -> String?    {        self.cleaned(environment[self.apiKeyEnvironmentKey])    }     private static func cleaned(_ raw: String?) -> String? {        guard var value = raw?.trimmingCharacters(in: .whitespacesAndNewlines), !value.isEmpty else {            return nil        }         if (value.hasPrefix("\"") && value.hasSuffix("\"")) ||            (value.hasPrefix("'") && value.hasSuffix("'"))        {            value = String(value.dropFirst().dropLast())        }         value = value.trimmingCharacters(in: .whitespacesAndNewlines)        return value.isEmpty ? nil : value    }}