import { result } from "../../utility/result.js";
import { DistError } from "../DistError.js";
import { PointSetDist } from "../PointSetDist.js";
import { BaseSymbolicDist } from "./BaseSymbolicDist.js";
export declare class PointMass extends BaseSymbolicDist<"PointMass", number> {
    t: number;
    readonly symbolicType = "PointMass";
    constructor(t: number);
    toString(): string;
    static make(t: number): result<PointMass, string>;
    getArgs(): number;
    simplePdf(x: number): 1 | 0;
    cdf(x: number): 1 | 0;
    inv(p: number): number;
    mean(): number;
    variance(): result<number, DistError>;
    sample(): number;
    _isEqual(other: PointMass): boolean;
    min(): number;
    max(): number;
    expectedConvolutionCost(): number;
    isFloat(): boolean;
    toPointSetDist(): result<PointSetDist, DistError>;
}
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