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API - Validator

The Validator interface provides methods for issuing warning and error messages during rule execution.

warning / error methods​

  /**
 * Issue a warning message
 */
void warning(String message);

/**
 * Issue an error message
 */
void error(String message);

/**
 * Issue a warning with cause information
 */
void warning(String message, Object... cause);

/**
 * Issue an error with cause information
 */
void error(String message, Object... cause);