/**
 * VTKImporter — Parse VTK Legacy ASCII files back into simulation data.
 *
 * Reverses the exports from VTKExporter:
 *   - STRUCTURED_POINTS → RegularGrid3D + scalar field
 *   - UNSTRUCTURED_GRID → vertex array + tet connectivity + point/cell data
 *
 * @see VTKExporter — produces the files this module reads
 */
import { RegularGrid3D } from '../RegularGrid3D';
export interface VTKStructuredResult {
    grid: RegularGrid3D;
    scalars: Map<string, Float32Array>;
}
export interface VTKUnstructuredResult {
    vertices: Float64Array;
    tetrahedra: Uint32Array;
    nodeCount: number;
    elementCount: number;
    pointData: Map<string, Float32Array>;
    cellData: Map<string, Float32Array>;
}
/**
 * Parse a VTK STRUCTURED_POINTS file.
 */
export declare function importStructuredPoints(vtk: string): VTKStructuredResult;
/**
 * Parse a VTK UNSTRUCTURED_GRID file.
 */
export declare function importUnstructuredGrid(vtk: string): VTKUnstructuredResult;
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