/** Standard (or general) normal quantile (inverse CDF). */
export declare const normalQuantile: (p: number, mu?: number, sigma?: number) => number;
/** Student-t CDF and quantile with `df` degrees of freedom. */
export declare const studentTCDF: (x: number, df: number) => number;
export declare const studentTQuantile: (p: number, df: number) => number;
/** Chi-squared PDF / CDF / quantile with `df` degrees of freedom. */
export declare const chiSquaredCDF: (x: number, df: number) => number;
export declare const chiSquaredQuantile: (p: number, df: number) => number;
/** F-distribution CDF / quantile with `d1`, `d2` degrees of freedom. */
export declare const fCDF: (x: number, d1: number, d2: number) => number;
export declare const fQuantile: (p: number, d1: number, d2: number) => number;
/** Gamma CDF / quantile (shape `k`, rate `θ⁻¹`). */
export declare const gammaCDF: (x: number, shape: number, rate?: number) => number;
export declare const gammaQuantile: (p: number, shape: number, rate?: number) => number;
/** Beta CDF / quantile with shape parameters `a`, `b`. */
export declare const betaCDF: (x: number, a: number, b: number) => number;
export declare const betaQuantile: (p: number, a: number, b: number) => number;
/** Cauchy (Lorentz) PDF / CDF / quantile — location `x0`, scale `gamma`. */
export declare const cauchyPDF: (x: number, x0?: number, gamma?: number) => number;
export declare const cauchyCDF: (x: number, x0?: number, gamma?: number) => number;
export declare const cauchyQuantile: (p: number, x0?: number, gamma?: number) => number;
/** Laplace (double-exponential) PDF / CDF / quantile — location `mu`, scale `b`. */
export declare const laplacePDF: (x: number, mu?: number, b?: number) => number;
export declare const laplaceCDF: (x: number, mu?: number, b?: number) => number;
export declare const laplaceQuantile: (p: number, mu?: number, b?: number) => number;
/** Logistic PDF / CDF / quantile — location `mu`, scale `s`. */
export declare const logisticPDF: (x: number, mu?: number, s?: number) => number;
export declare const logisticCDF: (x: number, mu?: number, s?: number) => number;
export declare const logisticQuantile: (p: number, mu?: number, s?: number) => number;
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