import { BandAccessor, NumericAccessor, StringAccessor } from './types';
export declare function resolveNumber<T>(d: T, index: number, accessor: NumericAccessor<T>): number;
export declare function resolveString<T>(d: T, index: number, accessor: StringAccessor<T>): string;
export declare function resolveBand<T>(d: T, index: number, accessor: BandAccessor<T>): string | number;