import { KindRegistry } from '../model/kind-registry.js';
import { RelationshipRegistry } from '../model/relationship-registry.js';
/** .project.json format from SysAnd */
export interface SysAndProjectJson {
    name?: string;
    publisher?: string;
    version?: string;
    type?: string;
    usage?: string[];
}
/** .meta.json format from SysAnd export */
export interface SysAndMetaJson {
    index?: Record<string, string>;
    created?: string;
    checksum?: Record<string, {
        value: string;
        algorithm: string;
    }>;
}
/** Result of importing a SysAnd project */
export interface SysAndImportResult {
    /** Project metadata from .project.json */
    projectJson: SysAndProjectJson;
    /** Meta information from .meta.json (if present) */
    metaJson?: SysAndMetaJson;
    /** Populated KindRegistry */
    kindRegistry: KindRegistry;
    /** Populated RelationshipRegistry */
    relationshipRegistry: RelationshipRegistry;
    /** Number of SysML files parsed */
    fileCount: number;
    /** All SysML file paths (relative to project dir) */
    sysmlFiles: string[];
    /** Package directories found */
    packageDirs: string[];
    /** Warnings */
    warnings: string[];
    /** Errors */
    errors: string[];
    /** Statistics */
    stats: {
        kinds: number;
        relationships: number;
        packages: number;
        sysmlFiles: number;
    };
}
/**
 * Import a SysAnd project from a directory.
 *
 * Reads .project.json for metadata, then finds and parses all SysML files
 * to populate KindRegistry and RelationshipRegistry.
 *
 * The project directory may have:
 * - A flat structure: .project.json + sysml/ directory
 * - A packages/ structure: .project.json + packages/<name>/sysml/ directories
 */
export declare function importSysandProject(projectDir: string): Promise<SysAndImportResult>;
/**
 * Verify round-trip: compare an exported SysAnd project's registries
 * against the original registries.
 *
 * Returns a diff report. Empty arrays = clean round-trip.
 */
export declare function verifySysandRoundTrip(originalKinds: KindRegistry, originalRels: RelationshipRegistry, importedKinds: KindRegistry, importedRels: RelationshipRegistry): SysAndRoundTripDiff;
export interface SysAndRoundTripDiff {
    /** True if export → import round-trip is clean */
    isClean: boolean;
    /** Kinds in original but not in imported */
    missingKinds: string[];
    /** Kinds in imported but not in original */
    extraKinds: string[];
    /** Relationships in original but not in imported */
    missingRels: string[];
    /** Relationships in imported but not in original */
    extraRels: string[];
}
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