https://www.graalvm.org/ 
public interface org.graalvm.compiler.core.common.spi.ForeignCallsProvider extends jdk.vm.ci.code.ValueKindFactory<org.graalvm.compiler.core.common.LIRKind>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.compiler.core.common.spi.ForeignCallsProvider
  super_class: java.lang.Object
{
  public abstract org.graalvm.compiler.core.common.spi.ForeignCallLinkage lookupForeignCall(org.graalvm.compiler.core.common.spi.ForeignCallDescriptor);
    descriptor: (Lorg/graalvm/compiler/core/common/spi/ForeignCallDescriptor;)Lorg/graalvm/compiler/core/common/spi/ForeignCallLinkage;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      descriptor  

  public org.graalvm.compiler.core.common.spi.ForeignCallLinkage lookupForeignCall(org.graalvm.compiler.core.common.spi.ForeignCallSignature);
    descriptor: (Lorg/graalvm/compiler/core/common/spi/ForeignCallSignature;)Lorg/graalvm/compiler/core/common/spi/ForeignCallLinkage;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.graalvm.compiler.core.common.spi.ForeignCallsProvider this
        start local 1 // org.graalvm.compiler.core.common.spi.ForeignCallSignature signature
         0: .line 45
            aload 0 /* this */
            aload 0 /* this */
            aload 1 /* signature */
            invokeinterface org.graalvm.compiler.core.common.spi.ForeignCallsProvider.getDescriptor:(Lorg/graalvm/compiler/core/common/spi/ForeignCallSignature;)Lorg/graalvm/compiler/core/common/spi/ForeignCallDescriptor;
            invokeinterface org.graalvm.compiler.core.common.spi.ForeignCallsProvider.lookupForeignCall:(Lorg/graalvm/compiler/core/common/spi/ForeignCallDescriptor;)Lorg/graalvm/compiler/core/common/spi/ForeignCallLinkage;
            areturn
        end local 1 // org.graalvm.compiler.core.common.spi.ForeignCallSignature signature
        end local 0 // org.graalvm.compiler.core.common.spi.ForeignCallsProvider this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lorg/graalvm/compiler/core/common/spi/ForeignCallsProvider;
            0    1     1  signature  Lorg/graalvm/compiler/core/common/spi/ForeignCallSignature;
    MethodParameters:
           Name  Flags
      signature  

  public abstract org.graalvm.compiler.core.common.spi.ForeignCallDescriptor getDescriptor(org.graalvm.compiler.core.common.spi.ForeignCallSignature);
    descriptor: (Lorg/graalvm/compiler/core/common/spi/ForeignCallSignature;)Lorg/graalvm/compiler/core/common/spi/ForeignCallDescriptor;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      signature  
}
Signature: Ljava/lang/Object;Ljdk/vm/ci/code/ValueKindFactory<Lorg/graalvm/compiler/core/common/LIRKind;>;
SourceFile: "ForeignCallsProvider.java"