https://github.com/oracle/graal: GraalVM is an ecosystem for compiling and running applications written in multiple languages. GraalVM removes the isolation between programming languages and enables interoperability in a shared runtime. 
public interface org.graalvm.nativeimage.impl.UnmanagedMemorySupport
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.nativeimage.impl.UnmanagedMemorySupport
  super_class: java.lang.Object
{
  public abstract <T extends org.graalvm.word.PointerBase> T malloc(org.graalvm.word.UnsignedWord);
    descriptor: (Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/PointerBase;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <T::Lorg/graalvm/word/PointerBase;>(Lorg/graalvm/word/UnsignedWord;)TT;
    MethodParameters:
      Name  Flags
      size  

  public abstract <T extends org.graalvm.word.PointerBase> T calloc(org.graalvm.word.UnsignedWord);
    descriptor: (Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/PointerBase;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <T::Lorg/graalvm/word/PointerBase;>(Lorg/graalvm/word/UnsignedWord;)TT;
    MethodParameters:
      Name  Flags
      size  

  public abstract <T extends org.graalvm.word.PointerBase> T realloc(T, org.graalvm.word.UnsignedWord);
    descriptor: (Lorg/graalvm/word/PointerBase;Lorg/graalvm/word/UnsignedWord;)Lorg/graalvm/word/PointerBase;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <T::Lorg/graalvm/word/PointerBase;>(TT;Lorg/graalvm/word/UnsignedWord;)TT;
    MethodParameters:
      Name  Flags
      ptr   
      size  

  public abstract void free(org.graalvm.word.PointerBase);
    descriptor: (Lorg/graalvm/word/PointerBase;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      ptr   
}
SourceFile: "UnmanagedMemorySupport.java"