package org.checkerframework.checker.signature.qual;
import java.lang.annotation.ElementType;
import java.lang.annotation.Target;
import org.checkerframework.framework.qual.ImplicitFor;
import org.checkerframework.framework.qual.SubtypeOf;
/**
* Represents a string that is both a {@link BinaryName} and an {@link InternalForm}. The string
* represents a class that is in the unnamed package (also known as the default package).
*
* <p>Example: int Example: int[][] Example: MyClass Example: MyClass[] Example: MyClass$22 Example:
* MyClass$22[]
*
* @checker_framework.manual #signature-checker Signature Checker
*/
@SubtypeOf({BinaryName.class, InternalForm.class})
@ImplicitFor(stringPatterns = "^[A-Za-z_][A-Za-z_0-9]*(\\$[A-Za-z_0-9]+)*(\\[\\])*$")
@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})
public @interface BinaryNameInUnnamedPackage {}