export declare function sanitizeGridInput(grid?: string | null): string;
export declare function getFourCharacterGrid(grid?: string | null): string | undefined;
export declare function getTwoCharacterGrid(grid?: string | null): string | undefined;
export interface GridBounds {
    lonMin: number;
    lonMax: number;
    latMin: number;
    latMax: number;
    centerLon: number;
    centerLat: number;
}
export declare function getGridBounds(grid?: string | null): GridBounds | null;
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