export declare const REPO_FACTS_SCHEMA_VERSION = "1.1.0";
export declare const DEFAULT_MIN_STRUCTURAL_SIZE = 20;
export type SymbolFactKind = 'class' | 'interface' | 'function' | 'method' | 'variable' | 'type' | 'enum' | 'unknown';
export interface RepoFactsProvenance {
    readonly extractedBy: string;
    readonly extractorVersion: string;
    readonly indexer: string;
    readonly indexerVersion: string;
    readonly extractedAt: string;
    readonly revision?: string;
}
export interface ModuleFact {
    readonly id: string;
    readonly layer?: string;
}
export interface ImportFact {
    readonly from: string;
    readonly to: string;
    readonly typeOnly: boolean;
}
export interface SymbolFact {
    readonly id: string;
    readonly name: string;
    readonly kind: SymbolFactKind;
    readonly moduleId: string;
    readonly exported: boolean;
    readonly structuralHash?: string;
    readonly structuralSize?: number;
}
export type ErrorMaskingKind = 'empty-catch' | 'catch-discards-error' | 'promise-catch-swallow' | 'ts-directive-suppression' | 'any-assertion' | 'non-null-assertion';
export interface ErrorMaskingFact {
    readonly moduleId: string;
    readonly kind: ErrorMaskingKind;
    readonly line: number;
    readonly symbolId?: string;
}
export interface ReferenceFact {
    readonly fromSymbol: string;
    readonly toSymbol: string;
}
export interface RepoFacts {
    readonly schemaVersion: string;
    readonly contentHash: string;
    readonly provenance: RepoFactsProvenance;
    readonly modules: readonly ModuleFact[];
    readonly imports: readonly ImportFact[];
    readonly symbols: readonly SymbolFact[];
    readonly references: readonly ReferenceFact[];
    readonly errorMasking?: readonly ErrorMaskingFact[];
}
export interface SymbolBoundaryRule {
    readonly id: string;
    readonly fromModules: readonly string[];
    readonly forbiddenSymbolModules: readonly string[];
    readonly severity?: 'error' | 'warning';
    readonly description?: string;
}
export declare function canonicalizeRepoFacts(facts: RepoFacts): string;
export declare function matchesModulePattern(moduleId: string, pattern: string): boolean;
export interface ImportCycle {
    readonly chain: readonly string[];
    readonly component: readonly string[];
    readonly typeOnly: boolean;
}
export declare function findImportCycles(facts: RepoFacts): readonly ImportCycle[];
export interface SymbolBoundaryCrossing {
    readonly ruleId: string;
    readonly fromSymbol: string;
    readonly toSymbol: string;
    readonly symbolChain: readonly string[];
    readonly moduleChain: readonly string[];
    readonly viaLegalImportsOnly: boolean;
    readonly severity: 'error' | 'warning';
}
export declare function findSymbolBoundaryCrossings(facts: RepoFacts, rules: readonly SymbolBoundaryRule[]): readonly SymbolBoundaryCrossing[];
export interface StructuralFactsSummary {
    readonly contentHash: string;
    readonly indexer: string;
    readonly moduleCount: number;
    readonly importCount: number;
    readonly symbolCount: number;
    readonly referenceCount: number;
    readonly cycles: readonly ImportCycle[];
    readonly boundaryCrossings: readonly SymbolBoundaryCrossing[];
}
export declare const renderChain: (chain: readonly string[]) => string;
export declare function summarizeRepoFacts(facts: RepoFacts, boundaries?: readonly SymbolBoundaryRule[]): StructuralFactsSummary;