/**
 * ExecutionContext Entity
 *
 * Context shared between parent task and subagents
 *
 * @see REQ-SDD-003 - Context Sharing
 * @see DES-SDD-003 - ContextManager
 */
import type { Artifact } from './Artifact.js';
/**
 * Execution context entity
 */
export interface ExecutionContext {
    /** Task ID this context belongs to */
    readonly taskId: string;
    /** Parent context (for hierarchical sharing) */
    readonly parentContext?: ExecutionContext;
    /** Shared knowledge map */
    readonly sharedKnowledge: ReadonlyMap<string, unknown>;
    /** Produced artifacts */
    readonly artifacts: readonly Artifact[];
    /** Context creation timestamp */
    readonly timestamp: Date;
    /** Context metadata */
    readonly metadata: ContextMetadata;
}
/**
 * Context metadata
 */
export interface ContextMetadata {
    /** Source of this context */
    readonly source: 'user' | 'agent' | 'system';
    /** Project path */
    readonly projectPath?: string;
    /** Related file paths */
    readonly relatedFiles: readonly string[];
    /** Tags for categorization */
    readonly tags: readonly string[];
}
/**
 * Context creation input
 */
export interface CreateExecutionContextInput {
    taskId: string;
    parentContext?: ExecutionContext;
    sharedKnowledge?: Map<string, unknown>;
    artifacts?: Artifact[];
    metadata?: Partial<ContextMetadata>;
}
/**
 * Create an ExecutionContext entity
 *
 * @param input - Creation input
 * @returns ExecutionContext entity
 */
export declare function createExecutionContext(input: CreateExecutionContextInput): ExecutionContext;
/**
 * Get value from context (including parent contexts)
 *
 * @param context - Execution context
 * @param key - Knowledge key
 * @returns Value or undefined
 */
export declare function getFromContext<T>(context: ExecutionContext, key: string): T | undefined;
/**
 * Get all artifacts from context (including parent contexts)
 *
 * @param context - Execution context
 * @returns All artifacts
 */
export declare function getAllArtifacts(context: ExecutionContext): Artifact[];
/**
 * Check if context has parent
 *
 * @param context - Execution context
 * @returns true if has parent
 */
export declare function hasParentContext(context: ExecutionContext): boolean;
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