import { SequenceParams } from '../../data.js';
import { SequenceTransform as VgSequenceTransform } from 'vega';
import { DataFlowNode } from './dataflow.js';
export declare class SequenceNode extends DataFlowNode {
    private params;
    clone(): SequenceNode;
    constructor(parent: DataFlowNode, params: SequenceParams);
    dependentFields(): Set<string>;
    producedFields(): Set<string>;
    hash(): string;
    assemble(): VgSequenceTransform;
}
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