import { ObjectCardContext } from "../contexts/object-card-context";
import { IAttribute } from "../data";
import { IAttributeModifier } from "../modifier/attribute-modifier";
import { AttributeValueChangedEventArgs } from "./attribute-value-changed-event-args";
/**
 * Enables support for handling changing object attributes in object card
 * @exposedInterface
 */
export declare abstract class IObjectCardHandler {
    constructor();
    /**
     * Handle show object card
     *
     * @param modifier - Attribute modifier
     * @param context - Context
     */
    handle(modifier: IAttributeModifier, context: ObjectCardContext): void;
    /**
     * The method called when attribute value has changed
     * @param sender - Changed attribute
     * @param args - Attribute change event args
     * @param modifier - Attribute modifier
     */
    onValueChanged(sender: IAttribute, args: AttributeValueChangedEventArgs, modifier: IAttributeModifier): void;
}