import type { Matrix3x3, Point2D, Vec2, Vec3 } from '../math';
import type { TooltipConfig, TooltipProp } from '../tooltip';
export type SpinChannel = `up` | `down` | null;
export type RepresentationMode = `solid` | `wireframe` | `transparent`;
export type ColorProperty = `band` | `velocity` | `spin` | `custom`;
export type ReciprocalCellType = `wigner_seitz` | `parallelepiped`;
export type SurfaceDimensionality = `1D` | `2D` | `quasi-2D` | `3D`;
export interface Isosurface {
    vertices: Vec3[];
    faces: number[][];
    normals: Vec3[];
    properties?: number[];
    vector_properties?: Vec3[];
    band_index: number;
    spin: SpinChannel;
    area?: number;
    dimensionality?: SurfaceDimensionality;
    orientation?: Vec3 | null;
    avg_velocity?: number;
}
export interface FermiSurfaceData {
    isosurfaces: Isosurface[];
    k_lattice: Matrix3x3;
    fermi_energy: number;
    reciprocal_cell: ReciprocalCellType;
    metadata: FermiSurfaceMetadata;
}
export interface FermiSurfaceMetadata {
    n_bands: number;
    n_surfaces: number;
    total_area: number;
    source_format?: string;
    source_file?: string;
    has_spin?: boolean;
    has_velocities?: boolean;
    has_spin_texture?: boolean;
    is_irreducible?: boolean;
}
export type EnergyGrid5D = number[][][][][];
export type VectorGrid5D = Vec3[][][][][];
export interface BandGridData {
    energies: EnergyGrid5D;
    k_grid: Vec3;
    k_lattice: Matrix3x3;
    fermi_energy: number;
    velocities?: VectorGrid5D;
    spin_texture?: VectorGrid5D;
    n_bands: number;
    n_spins: number;
    origin?: Vec3;
    periodic?: boolean;
}
export interface FermiSliceData {
    isolines: Isoline[];
    plane_normal: Vec3;
    plane_distance: number;
    k_lattice_2d: [Vec3, Vec3];
    metadata: {
        n_lines: number;
        has_properties: boolean;
    };
}
export interface Isoline {
    points: Vec3[];
    points_2d: Vec2[];
    properties?: number[];
    band_index: number;
    spin: SpinChannel;
    is_closed: boolean;
}
export interface FermiSurfaceOptions {
    mu?: number;
    wigner_seitz?: boolean;
    compute_velocities?: boolean;
    compute_dimensionality?: boolean;
    selected_bands?: number[];
    selected_spins?: SpinChannel[];
    interpolation_factor?: number;
}
export interface FermiSliceOptions {
    miller_indices?: Vec3;
    distance?: number;
}
export interface FermiFileLoadData {
    fermi_data?: FermiSurfaceData;
    band_data?: BandGridData;
    filename: string;
    file_size: number;
}
export interface FermiErrorData {
    error_msg: string;
    filename?: string;
}
export interface FermiHoverData {
    band_index: number;
    spin: SpinChannel;
    position_cartesian: Vec3;
    position_fractional: Vec3 | null;
    screen_position: Point2D;
    surface_color?: string;
    property_value?: number;
    property_name?: string;
    is_tiled?: boolean;
    symmetry_index?: number;
}
export type FermiTooltipConfig = TooltipConfig<FermiHoverData>;
export type FermiTooltipProp = TooltipProp<FermiHoverData, [{
    hover_data: FermiHoverData;
}]>;
export declare const is_fermi_surface_data: (data: BandGridData | FermiSurfaceData | null) => data is FermiSurfaceData;
export declare const is_band_grid_data: (data: BandGridData | FermiSurfaceData | null) => data is BandGridData;