import type { GridRangeIndex } from './GridRange';
import type { VisibleIndex } from './GridMetrics';
export type Range<T> = [start: T, end: T];
export type AxisRange = Range<GridRangeIndex>;
export type BoundedAxisRange = Range<VisibleIndex>;
export declare function isAxisRange(range: unknown): range is AxisRange;
export declare function assertAxisRange(range: unknown): asserts range is AxisRange;
export declare function isBoundedAxisRange(range: unknown): range is BoundedAxisRange;
export declare function assertBoundedAxisRange(range: unknown): asserts range is BoundedAxisRange;
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