import type { BandGridData, FermiSurfaceData, SpinChannel } from './types';
interface JsonMesh {
    vertices: number[][];
    faces: number[][];
    normals?: number[][];
    properties?: number[];
}
export type JsonIsosurface = JsonMesh & {
    band_index: number;
    spin: SpinChannel;
};
export type FermiSurfaceJson = Omit<FermiSurfaceData, `isosurfaces`> & {
    isosurfaces: JsonIsosurface[];
};
export type BandGridJson = Omit<BandGridData, `energies`> & {
    energies: number[][][][][];
};
export declare function normalize_fermi_surface(data: FermiSurfaceData | FermiSurfaceJson | Record<string, unknown>): FermiSurfaceData;
export declare function normalize_band_grid(data: BandGridData | BandGridJson | Record<string, unknown>): BandGridData;
export declare function parse_fermi_file(content: string, filename?: string): BandGridData | FermiSurfaceData;
export {};