import { FixtureExport } from './fixtureApi.js';
import { ComponentDefinition } from './fixtureApiConsumer.js';
import { FixturePath } from './FixturePath.js';
/**
 * A node in the fixture tree.
 * Can be a folder (with children), variants (with children, horizontal layout), or a component leaf.
 */
export interface FixtureNode {
    readonly id: FixturePath;
    /** Display name */
    readonly name: string;
    /** Node type: folder for groups, variants for horizontal variant display, component for leaves */
    readonly type: 'folder' | 'variants' | 'component';
    /** Children (for folders and variants) */
    readonly children?: readonly FixtureNode[];
    /** Component definition (only for component nodes) */
    readonly component?: ComponentDefinition;
    /** Labels for categorization and filtering */
    readonly labels: readonly string[];
    /** Source fixture file path — present on skeleton nodes (component is undefined) for on-demand loading */
    readonly sourceFile?: string;
}
/**
 * Creates a fixture tree from a map of fixture exports.
 * Entries with `undefined` value are rendered as skeleton nodes (loaded on demand).
 */
export declare function createFixtureTree(fixtures: Map<string, FixtureExport>): FixtureNode;
/**
 * Resolves all lazy fixture module loaders in parallel and returns a map of loaded exports.
 * Used by modes that need the full fixture tree upfront (headless, embedded).
 */
export declare function resolveFixtureModules(modules: Record<string, () => Promise<{
    default?: unknown;
}>>): Promise<Map<string, FixtureExport>>;
/**
 * Finds a node in the tree by path.
 */
export declare function findNodeByPath(root: FixtureNode, path: string[]): FixtureNode | undefined;
/**
 * Collects all component nodes from a subtree.
 */
export declare function collectComponents(node: FixtureNode): ComponentDefinition[];
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