import { GraphSpec } from '../spec';
/**
 * Node in a generated test graph.
 */
export interface TestNode {
    id: string;
    type?: string;
    data?: Record<string, unknown>;
    partition?: "left" | "right";
}
/**
 * Edge in a generated test graph.
 */
export interface TestEdge {
    source: string;
    target: string;
    weight?: number;
    type?: string;
}
/**
 * Complete graph structure for testing.
 */
export interface TestGraph {
    nodes: TestNode[];
    edges: TestEdge[];
    spec: GraphSpec;
}
/**
 * Configuration for graph generation.
 */
export interface GraphGenerationConfig {
    /** Number of nodes to generate */
    nodeCount: number;
    /** Node type distribution (for heterogeneous graphs) */
    nodeTypes?: {
        type: string;
        proportion: number;
    }[];
    /** Edge type distribution (for heterogeneous graphs) */
    edgeTypes?: {
        type: string;
        proportion: number;
    }[];
    /** Weight range for weighted graphs */
    weightRange?: {
        min: number;
        max: number;
    };
    /** Random seed for reproducibility */
    seed?: number;
}
/**
 * Simple seeded random number generator for reproducible tests.
 */
export declare class SeededRandom {
    private seed;
    constructor(seed?: number);
    next(): number;
    integer(min: number, max: number): number;
    choice<T>(array: T[]): T;
    sample<T>(array: T[], count: number): T[];
}
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