import type { OpenFgaApi, TupleKey } from "@openfga/sdk";
import { GraphDefinition, ResolutionTree } from "./graph.typings";
export declare class TreeBuilder {
    private readonly openFgaApi;
    private readonly capturedTuple;
    private readonly storeId;
    private readonly existingTree?;
    private readonly authorizationModelId?;
    private currentTree?;
    private readonly expandedTuples;
    constructor(openFgaApi: Pick<OpenFgaApi, "expand">, capturedTuple: Required<Omit<TupleKey, "user">>, storeId: string, existingTree?: ResolutionTree | undefined, authorizationModelId?: string | undefined);
    private addParent;
    private expandTuple;
    private walkDirectUser;
    private walkDirectUsers;
    private walkComputedUserSet;
    private walkTupleToUserset;
    private getNodeType;
    private walkNode;
    private walk;
    private deleteHangingNodes;
    get tree(): ResolutionTree | undefined;
    buildTree(): Promise<void>;
    fillActivePath(targetUser: string): ResolutionTree;
    buildGraph(targetUser?: string, onlyInActivePath?: boolean): GraphDefinition;
}