https://github.com/google/guava/guava: Guava is a suite of core and expanded libraries that include utility classes, google's collections, io classes, and much much more. 
public interface com.google.common.base.Predicate<T> extends java.util.function.Predicate<T>
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.google.common.base.Predicate
  super_class: java.lang.Object
{
  public abstract boolean apply();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: (TT;)Z
    RuntimeInvisibleAnnotations: 
      com.google.errorprone.annotations.CanIgnoreReturnValue()
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
       Name  Flags
      input  

  public abstract boolean equals(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
        Name  Flags
      object  

  public boolean test();
    descriptor: (Ljava/lang/Object;)Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.google.common.base.Predicate this
        start local 1 // java.lang.Object input
         0: .line 79
            aload 0 /* this */
            aload 1 /* input */
            invokeinterface com.google.common.base.Predicate.apply:(Ljava/lang/Object;)Z
            ireturn
        end local 1 // java.lang.Object input
        end local 0 // com.google.common.base.Predicate this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lcom/google/common/base/Predicate<TT;>;
            0    1     1  input  TT;
    Signature: (TT;)Z
    RuntimeVisibleTypeAnnotations: 
      METHOD_FORMAL_PARAMETER
        org.checkerframework.checker.nullness.qual.Nullable()
    MethodParameters:
       Name  Flags
      input  
}
Signature: <T:Ljava/lang/Object;>Ljava/lang/Object;Ljava/util/function/Predicate<TT;>;
SourceFile: "Predicate.java"
    RuntimeVisibleAnnotations: 
      java.lang.FunctionalInterface()
    RuntimeInvisibleAnnotations: 
      com.google.common.annotations.GwtCompatible()