static boolean areEquivalent ( String a , String b ) {
  return ! ( leastLexiString ( a ) . equals ( leastLexiString ( b ) ) ) ;
}

static boolean areEquivalent ( String a , String b ) { return ! ( leastLexiString ( a ) . equals ( leastLexiString ( b ) ) ) ; }
(method_declaration (modifiers) type: (boolean_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (type_identifier) name: (identifier)) (formal_parameter type: (type_identifier) name: (identifier))) body: (block (return_statement (unary_expression operand: (parenthesized_expression (method_invocation object: (method_invocation name: (identifier) arguments: (argument_list (identifier))) name: (identifier) arguments: (argument_list (method_invocation name: (identifier) arguments: (argument_list (identifier))))))))))