/**
 * Change Impact Analyzer
 *
 * Provides semantic understanding of schema changes and their impact.
 * Goes beyond simple hash comparison to understand what actually breaks.
 */
import type { BehaviorChange, ChangeSeverity, ToolFingerprint, BehavioralBaseline, BehavioralDiff, WorkflowSignature } from './types.js';
/**
 * Type of schema change detected.
 */
export type SchemaChangeType = 'parameter_removed' | 'parameter_added' | 'parameter_type_changed' | 'parameter_required_added' | 'parameter_required_removed' | 'enum_value_removed' | 'enum_value_added' | 'constraint_added' | 'constraint_removed' | 'constraint_tightened' | 'constraint_relaxed' | 'description_changed' | 'default_changed' | 'format_changed';
/**
 * Detailed information about a single schema change.
 */
export interface SchemaChangeDetail {
    type: SchemaChangeType;
    parameterPath: string;
    breaking: boolean;
    before: unknown;
    after: unknown;
    description: string;
}
/**
 * Migration complexity levels.
 */
export type MigrationComplexity = 'trivial' | 'simple' | 'moderate' | 'complex';
/**
 * Comprehensive impact analysis for a change.
 */
export interface ChangeImpact {
    /** Overall severity of the change */
    severity: ChangeSeverity;
    /** List of affected workflow IDs */
    affectedWorkflows: string[];
    /** List of affected parameter paths */
    affectedParameters: string[];
    /** Estimated complexity to migrate */
    migrationComplexity: MigrationComplexity;
    /** Suggested migration approach */
    suggestedMigration: string;
    /** Detailed breakdown of schema changes */
    schemaChanges: SchemaChangeDetail[];
    /** Whether this change is backwards compatible */
    backwardsCompatible: boolean;
    /** Risk score (0-100) */
    riskScore: number;
}
/**
 * Impact analysis results for the entire diff.
 */
export interface DiffImpactAnalysis {
    /** Overall severity of all changes */
    overallSeverity: ChangeSeverity;
    /** Total number of breaking changes */
    breakingChangesCount: number;
    /** Per-tool impact analysis */
    toolImpacts: Map<string, ChangeImpact>;
    /** Workflows that will fail due to changes */
    brokenWorkflows: string[];
    /** Overall migration complexity */
    overallMigrationComplexity: MigrationComplexity;
    /** Summary of all changes */
    summary: string;
    /** Action items for addressing the changes */
    actionItems: ActionItem[];
}
/**
 * Action item for addressing a change.
 */
export interface ActionItem {
    priority: 'critical' | 'high' | 'medium' | 'low';
    tool: string;
    description: string;
    suggestedAction: string;
}
export { CHANGE_IMPACT } from '../constants.js';
/**
 * Analyze the impact of changes between two tool fingerprints.
 */
export declare function analyzeToolChangeImpact(oldTool: ToolFingerprint, newTool: ToolFingerprint, workflows?: WorkflowSignature[]): ChangeImpact;
/**
 * Analyze a complete diff and provide comprehensive impact analysis.
 */
export declare function analyzeDiffImpact(diff: BehavioralDiff, oldBaseline: BehavioralBaseline, newBaseline: BehavioralBaseline): DiffImpactAnalysis;
/**
 * Analyze changes between two schemas and return detailed change information.
 */
export declare function analyzeSchemaChanges(oldSchema: Record<string, unknown> | undefined, newSchema: Record<string, unknown> | undefined): SchemaChangeDetail[];
/**
 * Check if a behavior change is actually breaking based on semantic analysis.
 * This enhances the simple hash-based comparison with semantic understanding.
 */
export declare function isBreakingChange(change: BehaviorChange): boolean;
/**
 * Get a quick summary of breaking changes for CI output.
 */
export declare function getBreakingChangeSummary(analysis: DiffImpactAnalysis): string;
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