import type { Nullable } from '@voiceflow/common';
import type { NodeType } from './constants';
import type { BaseNode, BaseStep, Expression, NodeNextID } from './utils';
export interface Set {
    variable: Nullable<string>;
    expression: Expression;
}
export interface StepData {
    sets: Set[];
}
export interface NodeSet {
    variable: Nullable<string>;
    expression: string | number;
}
export interface Step<Data = StepData> extends BaseStep<Data> {
    type: NodeType.SET;
}
export interface Node extends BaseNode, NodeNextID {
    type: NodeType.SET;
    sets: NodeSet[];
}
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