import { SystemContract } from './system-contract-generator.js';
import { OrchestrationTools } from './orchestration-tools.js';
/**
 * Dimension slice data.
 */
export interface DimensionSlice {
    dimension: 'X' | 'Y' | 'Z' | 'W' | 'T' | 'V';
    data: any[];
    checksum: string;
    count: number;
}
/**
 * Code slice in snapshot.
 */
export interface CodeSlice {
    file_path: string;
    symbol_id: string;
    start_line: number;
    end_line: number;
    snippet: string;
    content_hash: string;
    byte_size: number;
    reason: 'ENTRY_POINT' | 'MCP_TOOL' | 'HIGH_DEPENDENCY' | 'CRITICAL_PATH';
}
/**
 * Snapshot structure (refs-first per ADR-055).
 */
export interface Snapshot {
    artifact_id?: string;
    artifact_type?: 'snapshot';
    snapshot_version: string;
    snapshot_type: 'full' | 'delta';
    generated_at: string;
    checksum?: string;
    evidence?: any;
    preview?: {
        contract_version: string;
        dimensions_included: string[];
        checksums: Record<string, string>;
    };
    contract?: SystemContract;
    dimension_slices?: DimensionSlice[];
    checksums?: {
        contract: string;
        dimensions: Record<string, string>;
    };
    rebuild_instructions?: {
        steps: string[];
        prerequisites: string[];
    };
    last_snapshot_hash?: string;
    code_slices?: {
        inclusion_policy: 'NONE' | 'ENTRY_POINTS' | 'MCP_TOOLS' | 'TOP_N' | 'CUSTOM';
        max_total_bytes: number;
        slices: CodeSlice[];
    };
    file_path?: string;
}
/**
 * Exports system snapshot (contract + dimension slices + checksums).
 */
export declare class SnapshotExporter {
    private workspaceRoot;
    private orchestrationTools;
    private contractGenerator;
    constructor(workspaceRoot: string, orchestrationTools: OrchestrationTools);
    /**
     * Exports snapshot (refs-first per ADR-055).
     *
     * @param pluginId Plugin ID (optional)
     * @param mode 'refs' (default) or 'full' - refs mode only returns references, full mode returns all data
     * @param expand Array of dimensions to expand (e.g., ['X', 'Y']) - only relevant in refs mode
     * @param includeCodeSlices If true, include selective code slices (default: false, only in full mode)
     * @param codeSlicePolicy Policy for selecting code slices (default: 'MCP_TOOLS')
     * @param maxCodeBytes Maximum bytes for code slices (default: 100KB)
     * @returns Snapshot (refs or full based on mode)
     */
    exportFull(pluginId?: string, mode?: 'refs' | 'full', expand?: string[], includeCodeSlices?: boolean, codeSlicePolicy?: 'ENTRY_POINTS' | 'MCP_TOOLS' | 'TOP_N', maxCodeBytes?: number): Promise<Snapshot>;
    /**
     * Exports delta snapshot (changes since last snapshot).
     * Uses T-Dimension to identify changes.
     *
     * @param lastSnapshotHash Hash of last snapshot
     * @param pluginId Plugin ID (optional)
     * @param mode 'refs' (default) or 'full' - refs mode only returns references
     * @param expand Array of dimensions to expand (e.g., ['X', 'Y']) - only relevant in refs mode
     * @returns Snapshot
     */
    exportDelta(lastSnapshotHash: string, pluginId?: string, mode?: 'refs' | 'full', expand?: string[]): Promise<Snapshot>;
    /**
     * Exports dimension metadata (counts and checksums only, no data).
     * Used for refs mode to avoid context overflow.
     *
     * @param pluginId Plugin ID (optional)
     * @returns Dimension metadata (counts and checksums)
     */
    private exportDimensionMetadata;
    /**
     * Exports dimension slices from databases.
     *
     * @param pluginId Plugin ID (optional)
     * @param deltaOnly If true, only export changes (requires T-Dimension)
     * @param changesSinceLastSnapshot Changes from T-Dimension (for delta mode)
     * @returns Dimension slices
     */
    private exportDimensionSlices;
    /**
     * Computes checksums for contract and dimensions.
     */
    private computeChecksums;
    /**
     * Computes checksum for data.
     */
    private computeDataChecksum;
    /**
     * Generates rebuild instructions.
     */
    private generateRebuildInstructions;
    /**
     * Writes snapshot to file.
     *
     * @param snapshot Snapshot to write
     * @param outputPath Output file path
     */
    write(snapshot: Snapshot, outputPath: string): void;
    /**
     * Selects code slices for snapshot export.
     * Selects entry points, MCP tools, and critical paths with size limits.
     *
     * @param pluginId Plugin ID (optional)
     * @param policy Selection policy
     * @param maxTotalBytes Maximum total bytes for all slices
     * @returns Code slices configuration
     */
    selectCodeSlices(pluginId?: string, policy?: 'ENTRY_POINTS' | 'MCP_TOOLS' | 'TOP_N', maxTotalBytes?: number): Promise<Snapshot['code_slices']>;
    /**
     * Exports snapshot and writes to file.
     *
     * @param outputPath Output file path
     * @param delta If true, export delta snapshot (requires lastSnapshotHash)
     * @param lastSnapshotHash Hash of last snapshot (for delta)
     * @param pluginId Plugin ID (optional)
     * @param mode 'refs' (default) or 'full' - refs mode only returns references
     * @param expand Array of dimensions to expand (e.g., ['X', 'Y']) - only relevant in refs mode
     * @param includeCodeSlices If true, include selective code slices (default: false, only in full mode)
     */
    export(outputPath: string, delta?: boolean, lastSnapshotHash?: string, pluginId?: string, mode?: 'refs' | 'full', expand?: string[], includeCodeSlices?: boolean): Promise<void>;
}
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