import { Layout } from '../layout.js';
import { Measurement, Projection, ProjectionNode } from '../projection-node-experimental.js';
/**
 * Decorator for a projection node that adds behavior.
 */
export declare abstract class ProjectionNodeBehavior implements ProjectionNode {
    protected kernel: ProjectionNode;
    constructor(kernel: ProjectionNode);
    element(): HTMLElement;
    reset(): void;
    measure(): Measurement;
    measurement(): Measurement | null;
    project(dest: Layout): Projection;
    projection(): Projection | null;
    identifyAs(id: string): void;
    identified(): boolean;
    identity(): string;
    attach(parent: ProjectionNode): void;
    detach(): void;
    appendChild(child: ProjectionNode): void;
    removeChild(child: ProjectionNode): void;
    parent(): ProjectionNode | null;
    children(): ReadonlySet<ProjectionNode>;
    dispose(): void;
    traverse(consumer: (node: ProjectionNode) => void): void;
    track(): Iterable<ProjectionNode>;
}
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