/**
 * Analyzer Types and Helpers
 *
 * Shared types, compute policy, and helper functions for graph analysis.
 */
export type AnalyzerVertexId = string;
export type AnalyzerVertex = {
    id: AnalyzerVertexId;
    label?: string;
    attrs?: Record<string, unknown>;
};
export type AnalyzerEdge = {
    id: string;
    endpoints: readonly AnalyzerVertexId[];
    directed: boolean;
    weight?: number;
    sign?: -1 | 1;
    probability?: number;
    label?: string;
    attrs?: Record<string, unknown>;
};
export type AnalyzerGraph = {
    vertices: AnalyzerVertex[];
    edges: AnalyzerEdge[];
};
export type ComputePolicy = Readonly<{
    vertexOrderKey: string;
    edgeOrderKey: string;
    posKey: string;
    layerKey: string;
    timeKey: string;
    rootKey: string;
    portKey: string;
    weightVectorKey: string;
    probabilityKey: string;
}>;
export declare const defaultComputePolicy: ComputePolicy;
export declare const unique: <T>(xs: readonly T[]) => T[];
export declare const allEqual: <T>(xs: readonly T[], eq: (a: T, b: T) => boolean) => boolean;
export declare const edgeKeyBinary: (u: AnalyzerVertexId, v: AnalyzerVertexId, directed: boolean) => string;
export declare const hasAnyDirectedEdges: (g: AnalyzerGraph) => boolean;
export declare const hasAnyUndirectedEdges: (g: AnalyzerGraph) => boolean;
export declare const countSelfLoopsBinary: (g: AnalyzerGraph) => number;
export declare const buildAdjUndirectedBinary: (g: AnalyzerGraph) => Record<AnalyzerVertexId, AnalyzerVertexId[]>;
export declare const isConnectedUndirectedBinary: (g: AnalyzerGraph) => boolean;
export declare const isAcyclicDirectedBinary: (g: AnalyzerGraph) => boolean;
export declare const degreesUndirectedBinary: (g: AnalyzerGraph) => number[];
export declare const isBipartiteUndirectedBinary: (g: AnalyzerGraph) => boolean;
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