/**
 * \class QgsProcessingFeedback
 * \ingroup core
 * Base class for providing feedback from a processing algorithm.
 *
 * This base class implementation silently ignores all feedback reported by algorithms.
 * Subclasses of QgsProcessingFeedback can be used to log this feedback or report
 * it to users via the GUI.
 * \note added in QGIS 3.0
 */
class QgsProcessingFeedback : public QgsFeedback
{
%TypeHeaderCode
#include <qgsprocessingfeedback.h>
%End

  public:

    /**
     * Sets a progress report text string. This can be used in conjunction with
     * setProgress() to provide detailed progress reports, such as "Transformed
     * 4 of 5 layers".
     * @see setProgress()
     */
    virtual void setProgressText( const QString& text );

    /**
     * Reports that the algorithm encountered an error which prevented it
     * from successfully executing.
     */
    virtual void reportError( const QString& error );

    /**
     * Pushes a general informational message from the algorithm. This can
     * be used to report feedback which is neither a status report or an
     * error, such as "Found 47 matching features".
     * @see pushCommandInfo()
     * @see pushDebugInfo()
     * @see pushConsoleInfo()
     */
    virtual void pushInfo( const QString& info );

    /**
     * Pushes an informational message containing a command from the algorithm.
     * This is usually used to report commands which are executed in an external
     * application or as subprocesses.
     * @see pushInfo()
     * @see pushDebugInfo()
     * @see pushConsoleInfo()
     */
    virtual void pushCommandInfo( const QString& info );

    /**
     * Pushes an informational message containing debugging helpers from
     * the algorithm.
     * @see pushInfo()
     * @see pushCommandInfo()
     * @see pushConsoleInfo()
     */
    virtual void pushDebugInfo( const QString& info );


    /**
     * Pushes a console feedback message from the algorithm. This is used to
     * report the output from executing an external command or subprocess.
     * @see pushInfo()
     * @see pushDebugInfo()
     * @see pushCommandInfo()
     */
    virtual void pushConsoleInfo( const QString& info );

};