001    package org.bridj.ann;
002    
003    import java.lang.annotation.ElementType;
004    import java.lang.annotation.Retention;
005    import java.lang.annotation.RetentionPolicy;
006    import java.lang.annotation.Target;
007    
008    /**
009     * Applies to native methods that might not be present to avoid polluting error logs (useful for "optional" methods in many libraries). 
010     * @author ochafik
011     */
012    @Retention(RetentionPolicy.RUNTIME)
013    @Target({ElementType.METHOD, ElementType.TYPE})
014    public @interface Optional {}