export type Node = string;
export type EdgeObject = [Node, Node];
export type GraphObject = Record<Node, Node[]>;
export type EdgesObject = EdgeObject[];
export type NodeIdx = number;
export type RefMap = Map<Node, NodeIdx>;
export type Edge = [NodeIdx, NodeIdx];
export type Graph = Set<NodeIdx>[];
export type LNode = {
    next?: LNode;
    value: NodeIdx;
};
export type LRoot = {
    first: LNode;
    last: LNode;
};
export declare function toposortWithEdges(edges: EdgesObject): Node[];
export declare function toposortWithGraph(graph: GraphObject): Node[];
export declare function toposort(nodes: Node[], edges: EdgesObject): Node[];