export interface MersenneTwisterState {
    readonly index: number;
    readonly state: readonly number[];
}
/**
 * Minimal MT19937 implementation mirroring the rerelease's std::mt19937 usage in g_local.h.
 * The generator outputs deterministic unsigned 32-bit integers which drive the
 * higher-level helpers such as frandom/crandom/irandom.
 */
export declare class MersenneTwister19937 {
    private state;
    private index;
    constructor(seed?: number);
    seed(seed: number): void;
    nextUint32(): number;
    private twist;
    getState(): MersenneTwisterState;
    setState(snapshot: MersenneTwisterState): void;
}
export interface RandomGeneratorOptions {
    readonly seed?: number;
}
export interface RandomGeneratorState {
    readonly mt: MersenneTwisterState;
}
/**
 * Deterministic helper mirroring the random helpers defined in rerelease g_local.h.
 */
export declare class RandomGenerator {
    private readonly mt;
    constructor(options?: RandomGeneratorOptions);
    seed(seed: number): void;
    /** Uniform float in [0, 1). */
    frandom(): number;
    /** Uniform float in [min, max). */
    frandomRange(minInclusive: number, maxExclusive: number): number;
    /** Uniform float in [0, max). */
    frandomMax(maxExclusive: number): number;
    /** Uniform float in [-1, 1). */
    crandom(): number;
    /** Uniform float in (-1, 1). */
    crandomOpen(): number;
    /** Raw uint32 sample. */
    irandomUint32(): number;
    /** Uniform integer in [min, max). */
    irandomRange(minInclusive: number, maxExclusive: number): number;
    /** Uniform integer in [0, max). */
    irandom(maxExclusive: number): number;
    /** Uniform time in milliseconds [min, max). */
    randomTimeRange(minMs: number, maxMs: number): number;
    /** Uniform time in milliseconds [0, max). */
    randomTime(maxMs: number): number;
    randomIndex<T extends {
        length: number;
    }>(container: T): number;
    getState(): RandomGeneratorState;
    setState(snapshot: RandomGeneratorState): void;
}
export declare function createRandomGenerator(options?: RandomGeneratorOptions): RandomGenerator;
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