import * as Result from "../../utility/result.js";
import { result } from "../../utility/result.js";
import { DistError } from "../DistError.js";
import { BaseSymbolicDist } from "./BaseSymbolicDist.js";
type Args = {
    shape: number;
    scale: number;
};
export declare class Gamma extends BaseSymbolicDist<"Gamma", Args> {
    readonly symbolicType = "Gamma";
    shape: number;
    scale: number;
    private constructor();
    static make({ shape, scale }: Args): result<Gamma, string>;
    getArgs(): {
        shape: number;
        scale: number;
    };
    toString(): string;
    simplePdf(x: number): number;
    cdf(x: number): number;
    inv(x: number): number;
    sample(): number;
    mean(): number;
    variance(): Result.result<number, DistError>;
    _isEqual(other: Gamma): boolean;
}
export {};
//# sourceMappingURL=Gamma.d.ts.map