package java.lang;
import org.checkerframework.checker.nullness.qual.Nullable;
public class Runtime{
protected Runtime() {}
public static Runtime getRuntime() { throw new RuntimeException("skeleton method"); }
public void exit(int a1) { throw new RuntimeException("skeleton method"); }
public void addShutdownHook(Thread a1) { throw new RuntimeException("skeleton method"); }
public boolean removeShutdownHook(Thread a1) { throw new RuntimeException("skeleton method"); }
public void halt(int a1) { throw new RuntimeException("skeleton method"); }
public static void runFinalizersOnExit(boolean a1) { throw new RuntimeException("skeleton method"); }
public Process exec(String a1) throws java.io.IOException { throw new RuntimeException("skeleton method"); }
public Process exec(String a1, String @Nullable [] a2) throws java.io.IOException { throw new RuntimeException("skeleton method"); }
public Process exec(String a1, String @Nullable [] a2, java.io. @Nullable File a3) throws java.io.IOException { throw new RuntimeException("skeleton method"); }
public Process exec(String[] a1) throws java.io.IOException { throw new RuntimeException("skeleton method"); }
public Process exec(String[] a1, String @Nullable [] a2) throws java.io.IOException { throw new RuntimeException("skeleton method"); }
public Process exec(String[] a1, String @Nullable [] a2, java.io. @Nullable File a3) throws java.io.IOException { throw new RuntimeException("skeleton method"); }
public void runFinalization() { throw new RuntimeException("skeleton method"); }
public void load(String a1) { throw new RuntimeException("skeleton method"); }
public void loadLibrary(String a1) { throw new RuntimeException("skeleton method"); }
public java.io.InputStream getLocalizedInputStream(java.io.InputStream a1) { throw new RuntimeException("skeleton method"); }
public java.io.OutputStream getLocalizedOutputStream(java.io.OutputStream a1) { throw new RuntimeException("skeleton method"); }
public native int availableProcessors();
public native long freeMemory();
public native long totalMemory();
public native long maxMemory();
public native void gc();
private static native void runFinalization0();
public native void traceInstructions(boolean on);
public native void traceMethodCalls(boolean on);
}