https://source.android.com/ 
public interface android.net.wifi.WifiEnterpriseConfig$SupplicantLoader
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: android.net.wifi.WifiEnterpriseConfig$SupplicantLoader
  super_class: java.lang.Object
{
  public abstract java.lang.String loadValue(java.lang.String);
    descriptor: (Ljava/lang/String;)Ljava/lang/String;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      key   
}
SourceFile: "WifiEnterpriseConfig.java"
NestHost: android.net.wifi.WifiEnterpriseConfig
InnerClasses:
  public abstract SupplicantLoader = android.net.wifi.WifiEnterpriseConfig$SupplicantLoader of android.net.wifi.WifiEnterpriseConfig