src/main/php/response/Headers.php
public function acceptable(array $supportedMimeTypes): self
    {
        if (count($supportedMimeTypes) > 0) {
            $this->add('X-Acceptable', join(', ', $supportedMimeTypes));
        }

        return $this;
    }
public function acceptable(array $supportedMimeTypes): self
    {
        if (count($supportedMimeTypes) > 0) {
            $this->add('X-Acceptable', join(', ', $supportedMimeTypes));
        }

        return $this;
    }
public function acceptable ( array $ supportedMimeTypes ) : self { if ( count ( $ supportedMimeTypes ) > 0 ) { $ this -> add ( 'X-Acceptable' , join ( ', ' , $ supportedMimeTypes ) ) ; } return $ this ; }
adds non-standard acceptable header with list of supported mime types

@param   string[]  $supportedMimeTypes
@return  \stubbles\webapp\response\Headers
adds non - standard acceptable header with list of supported mime types