import Foundation public enum CrofSettingsReader {    public static let apiKeyEnvironmentKeys = ["CROF_API_KEY", "CROFAI_API_KEY"]     public static func apiKey(environment: [String: String] = ProcessInfo.processInfo.environment) -> String? {        for key in self.apiKeyEnvironmentKeys {            if let value = self.cleaned(environment[key]) {                return value            }        }        return nil    }     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    }}