/**
 * Agentic QE v3 - Causal Discovery Module
 * ADR-035: STDP-based spike timing correlation for root cause analysis
 *
 * Provides automated causal inference using Spike-Timing Dependent Plasticity (STDP).
 * The system learns causal relationships between events from observation data,
 * enabling intelligent root cause analysis and intervention recommendations.
 *
 * Key Components:
 * - CausalWeightMatrix: STDP-based weight learning
 * - CausalGraphImpl: Graph operations (reachability, transitive closure, SCC)
 * - CausalDiscoveryEngine: Main engine for observation and analysis
 *
 * @example
 * ```typescript
 * import { CausalDiscoveryEngine, TestEvent } from './causal-discovery';
 *
 * const engine = new CausalDiscoveryEngine();
 *
 * // Observe events as they occur
 * engine.observe({ type: 'code_changed', timestamp: Date.now() });
 * engine.observe({ type: 'build_started', timestamp: Date.now() + 100 });
 * engine.observe({ type: 'test_failed', timestamp: Date.now() + 200 });
 *
 * // Analyze root cause of failures
 * const analysis = engine.analyzeRootCause('test_failed');
 * console.log('Direct causes:', analysis.directCauses);
 * console.log('Intervention points:', analysis.interventionPoints);
 * ```
 */
export type { CausalDiscoveryConfig, TestEventType, TestEvent, CausalRelation, CausalEdge, CausalGraph, RootCauseAnalysis, CausalFactor, IndirectCause, InterventionPoint, CausalSummary, STDPParams, Spike, SpikeTrain, WeightEntry, WeightMatrixStats, } from './types.js';
export { DEFAULT_CAUSAL_CONFIG, ALL_EVENT_TYPES, DEFAULT_STDP_PARAMS, } from './types.js';
export { CausalWeightMatrix } from './weight-matrix.js';
export { CausalGraphImpl } from './causal-graph.js';
export { CausalDiscoveryEngine } from './discovery-engine.js';
import type { CausalDiscoveryConfig } from './types.js';
import { CausalDiscoveryEngine } from './discovery-engine.js';
/**
 * Create a causal discovery engine with optional configuration
 */
export declare function createCausalDiscoveryEngine(config?: Partial<CausalDiscoveryConfig>): CausalDiscoveryEngine;
/**
 * Create a causal discovery engine optimized for QE testing scenarios
 */
export declare function createQECausalEngine(): CausalDiscoveryEngine;
/**
 * Create a causal discovery engine optimized for production monitoring
 */
export declare function createProductionCausalEngine(): CausalDiscoveryEngine;
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