interface ConstraintInterface

interface ConstraintInterface {
    
    /**
     * Checks whether the given constraint intersects in any way with this constraint
     *
     * @param ConstraintInterface $provider
     *
     * @return bool
     */
    public function matches(ConstraintInterface $provider);
    
    /**
     * Provides a compiled version of the constraint for the given operator
     * The compiled version must be a PHP expression.
     * Executor of compile version must provide 2 variables:
     * - $v = the string version to compare with
     * - $b = whether or not the version is a non-comparable branch (starts with "dev-")
     *
     * @see Constraint::OP_* for the list of available operators.
     * @example return '!$b && version_compare($v, '1.0', '>')';
     *
     * @param int $otherOperator one Constraint::OP_*
     *
     * @return string
     *
     * @phpstan-param Constraint::OP_* $otherOperator
     */
    public function compile($otherOperator);
    
    /**
     * @return Bound
     */
    public function getUpperBound();
    
    /**
     * @return Bound
     */
    public function getLowerBound();
    
    /**
     * @return string
     */
    public function getPrettyString();
    
    /**
     * @param string|null $prettyString
     *
     * @return void
     */
    public function setPrettyString($prettyString);
    
    /**
     * @return string
     */
    public function __toString();

}