| AnnotatedElement | This interface provides reflective access to annotation information. | 
| GenericArrayType | This interface represents an array type with a component type that is either a parameterized type or a type variable. | 
| GenericDeclaration | Common interface for language constructs that declare type parameters. | 
| InvocationHandler | Implementors of this interface dispatch methods invoked on proxy instances. | 
| Member | Common interface providing access to reflective information on class members. | 
| ParameterizedType | 
          This interface represents a parameterized type such as 'Set<String>'. 
          
    
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| Type | Common interface implemented by all Java types. | 
| TypeVariable<D extends GenericDeclaration> | 
          This interface represents a type variables such as 'T' in 'public interface Comparable, the bounded 'T' in 'public interface A or the multiple bounded 'T' in 'public interface B. 
          
    
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| WildcardType | 
          A pattern type, such as the upper bounded wildcard ? extends Closeable or the lower bounded wildcard ? super String. 
          
    
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| AccessibleObject | 
          AccessibleObject is the superclass of all member reflection classes
 (Field, Constructor, Method). 
          
    
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| Array | Provides static methods to create and access arrays dynamically. | 
| Constructor<T> | This class represents a constructor. | 
| Field | This class represents a field. | 
| Method | This class represents a method. | 
| Modifier | This class provides static methods to decode class and member modifiers. | 
| Proxy | 
          Proxy defines methods for creating dynamic proxy classes and instances. 
          
    
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| ReflectPermission | Legacy security code; do not use. | 
| InvocationTargetException | 
          This class provides a wrapper for an exception thrown by a Method or
 Constructor invocation. 
          
    
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| MalformedParameterizedTypeException | Indicates that a malformed parameterized type has been encountered by a reflective method. | 
| UndeclaredThrowableException | This class provides a wrapper for an undeclared, checked exception thrown by an InvocationHandler. | 
| GenericSignatureFormatError | Indicates that a malformed signature has been encountered via a reflective method. |