import type { BillingEntityType } from '../../model/implementation/billing.js';
import type { QueryNode } from '../../query-tree/base.js';
import { LiteralQueryNode, NullQueryNode } from '../../query-tree/literals.js';
import { VariableAssignmentQueryNode } from '../../query-tree/variables.js';
export declare function createBillingEntityCategoryNode(billingEntityConfig: BillingEntityType, entityNode: QueryNode): VariableAssignmentQueryNode | LiteralQueryNode | NullQueryNode;
export declare function createBillingEntityQuantityNode(billingEntityConfig: BillingEntityType, entityNode: QueryNode): QueryNode;