1 | import { TransformComponent as TC, G2Mark } from '../runtime';
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2 | import { GroupTransform } from '../spec';
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3 | export type GroupNOptions = Omit<GroupTransform & {
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4 | groupBy?: (I: number[], mark: G2Mark, options?: Record<string, any>) => number[][];
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5 | }, 'type'>;
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6 | /**
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7 | * The Group transform group data by x and y channels, and aggregate.
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8 | */
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9 | export declare const GroupN: TC<GroupNOptions>;
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