import { BaseModel } from './BaseModel.js';
import { type Tool } from './Tool.js';
import { type Prompt } from './Prompt.js';
import { type Resource } from './Resource.js';
/**
 * Represents a hierarchical group (tree node) in the MCP domain model.
 *
 * Groups can contain child groups, tools, prompts, and resources.
 * Supports fully qualified names via recursive parent traversal.
 *
 * @example
 * ```typescript
 * // Build a hierarchy
 * const api = new Group('api');
 * const v2 = new Group('v2');
 * api.addChildGroup(v2);
 *
 * const readFile = new Tool('read_file');
 * v2.addChildTool(readFile);
 *
 * v2.getFullyQualifiedName();  // "api.v2"
 * api.isRoot();                // true
 * v2.getRoot();                // api
 * ```
 *
 * @see {@link GroupItem} for leaf nodes (Tool, Prompt, Resource)
 * @see {@link BaseModel} for shared properties
 */
export declare class Group extends BaseModel {
    /** Parent group (null if this is a root node) */
    parent: Group | null;
    /** Direct child groups in this container */
    readonly childGroups: Group[];
    /** Tools contained in this group */
    readonly childTools: Tool[];
    /** Prompts contained in this group */
    readonly childPrompts: Prompt[];
    /** Resources contained in this group */
    readonly childResources: Resource[];
    constructor(name: string, nameSeparator?: string);
    private addChild;
    private removeChild;
    /**
     * Traverse to the root of the tree.
     *
     * @returns The topmost ancestor group
     *
     * @example
     * ```typescript
     * const root = new Group('api');
     * const child = new Group('users');
     * root.addChildGroup(child);
     * child.getRoot(); // root
     * ```
     */
    getRoot(): Group;
    /** Returns `true` if this group has no parent (is a root node). */
    isRoot(): boolean;
    /**
     * Add a child group to this container.
     *
     * @param childGroup - The group to nest under this one
     * @returns `false` if already a child, `true` if added
     */
    addChildGroup(childGroup: Group): boolean;
    /**
     * Remove a child group from this container.
     *
     * @param childGroup - The group to remove
     * @returns `false` if not found, `true` if removed
     */
    removeChildGroup(childGroup: Group): boolean;
    /** Add a tool to this group. Returns `false` if already present. */
    addChildTool(childTool: Tool): boolean;
    /** Remove a tool from this group. Returns `false` if not found. */
    removeChildTool(childTool: Tool): boolean;
    /** Add a prompt to this group. Returns `false` if already present. */
    addChildPrompt(childPrompt: Prompt): boolean;
    /** Remove a prompt from this group. Returns `false` if not found. */
    removeChildPrompt(childPrompt: Prompt): boolean;
    /** Add a resource to this group. Returns `false` if already present. */
    addChildResource(childResource: Resource): boolean;
    /** Remove a resource from this group. Returns `false` if not found. */
    removeChildResource(childResource: Resource): boolean;
    protected getFullyQualifiedNameRecursive(tg: Group): string;
    /**
     * Returns the dot-separated fully qualified name.
     *
     * @example
     * ```typescript
     * const root = new Group('api');
     * const v2 = new Group('v2');
     * root.addChildGroup(v2);
     * v2.getFullyQualifiedName(); // "api.v2"
     * ```
     */
    getFullyQualifiedName(): string;
}
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