import type { Clause, Expr, Variable } from "@neo4j/cypher-builder";
import type { QueryASTContext } from "../../QueryASTContext";
import type { QueryASTNode } from "../../QueryASTNode";
import { Field } from "../Field";
export declare class GroupByField extends Field {
    private by;
    private nodeFields;
    private edgeFields;
    private resultVariable;
    constructor({ alias, by }: {
        alias: string;
        by: string[];
    });
    print(): string;
    getProjectionField(_variable: Variable): string | Record<string, Expr>;
    setNodeFields(fields: Field[]): void;
    setEdgeFields(fields: Field[]): void;
    getChildren(): QueryASTNode[];
    getSubqueries(context: QueryASTContext): Clause[];
    private createProjectionMapForEdge;
    private createProjectionMapForNode;
    /** Given a set of fields, generate a projection map.
     * @param projectionMap - If provided, the new projection fields will be added to that map, instead of creating a new one
     */
    private generateProjectionMapForFields;
    private getUnwindClause;
}
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