public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { for ( TYPE_1 c : VAR_2 ) { if ( VAR_1 . equals ( c ) ) { return c ; } } return VAR_1 ; } 

public TYPE_1 METHOD_1 ( TYPE_1 VAR_1 ) { for ( TYPE_1 c : VAR_2 ) { if ( VAR_1 . equals ( c ) ) { return c ; } } return null ; } 
