/**
 * C4 Model support for diagrams-js
 *
 * A set of nodes and edges to visualize software architecture using the C4 model.
 * Based on https://c4model.com/
 */
import { Node } from "../../Node.js";
import { Edge } from "../../Edge.js";
import { Cluster } from "../../Cluster.js";
/**
 * Represents a person (user, actor, role, persona)
 *
 * @param name - The name of the person
 * @param description - Optional description
 * @param external - Whether this is an external person (uses gray instead of blue)
 * @param options - Additional Graphviz node attributes
 */
export declare function Person(name: string, description?: string, external?: boolean, options?: Record<string, unknown>): ReturnType<typeof Node>;
/**
 * Represents a container (applications, web apps, etc.)
 *
 * @param name - The name of the container
 * @param technology - Optional technology (e.g., "Java", "Node.js", "PostgreSQL")
 * @param description - Optional description
 * @param options - Additional Graphviz node attributes
 */
export declare function Container(name: string, technology?: string, description?: string, options?: Record<string, unknown>): ReturnType<typeof Node>;
/**
 * Represents a database (data storage)
 *
 * @param name - The name of the database
 * @param technology - Optional technology (e.g., "PostgreSQL", "MongoDB")
 * @param description - Optional description
 * @param options - Additional Graphviz node attributes
 */
export declare function Database(name: string, technology?: string, description?: string, options?: Record<string, unknown>): ReturnType<typeof Node>;
/**
 * Represents a software system
 *
 * @param name - The name of the system
 * @param description - Optional description
 * @param external - Whether this is an external system (uses gray instead of blue)
 * @param options - Additional Graphviz node attributes
 */
export declare function System(name: string, description?: string, external?: boolean, options?: Record<string, unknown>): ReturnType<typeof Node>;
/**
 * Creates a C4 relationship (edge)
 *
 * @param label - Optional relationship label/description
 * @param options - Additional Graphviz edge attributes
 */
export declare function Relationship(label?: string, options?: Record<string, unknown>): ReturnType<typeof Edge>;
/**
 * Creates a system boundary (cluster)
 *
 * @param label - The name/label of the boundary
 * @param diagram - The diagram this boundary belongs to
 * @param options - Additional Graphviz graph attributes
 */
export declare function SystemBoundary(label: string, diagram: {
    cluster: (label: string) => ReturnType<typeof Cluster>;
    ["~subgraph"]: (cluster: ReturnType<typeof Cluster>) => void;
}, options?: Record<string, unknown>): ReturnType<typeof Cluster>;