/**
 * Child Project — represents a nested project directory that gets built
 * independently and referenced from a parent as a single deployment unit.
 *
 * Lexicons create ChildProjectInstance via their own factory (e.g. `nestedStack()`).
 * The core build pipeline detects these and recursively builds children.
 */
import { DECLARABLE_MARKER, type Declarable } from "./declarable.js";
import type { BuildResult } from "./build.js";
/**
 * Marker symbol for child project identification.
 */
export declare const CHILD_PROJECT_MARKER: unique symbol;
/**
 * A child project instance — a Declarable representing a separately-built
 * project directory referenced from a parent.
 */
export interface ChildProjectInstance extends Declarable {
    readonly [CHILD_PROJECT_MARKER]: true;
    readonly [DECLARABLE_MARKER]: true;
    readonly lexicon: string;
    readonly entityType: string;
    readonly kind: "resource";
    readonly projectPath: string;
    readonly logicalName: string;
    readonly outputs: Record<string, unknown>;
    readonly options: Record<string, unknown>;
    buildResult?: BuildResult;
}
/**
 * Type guard for ChildProjectInstance.
 */
export declare function isChildProject(value: unknown): value is ChildProjectInstance;
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