import { BaseGenerator, GeneratorParams } from '../base';
import { BinaryIndividual } from './../../individual/binary';
/**
 * ## BinaryGeneratorParams
 * Params of the BinaryGenerator.
 */
export interface BinaryGeneratorParams extends GeneratorParams {
    /**
     * Chance or probability of generating a gene
     * with the value `true`.
     */
    chance: number;
}
/**
 * ## BinaryGenerator
 * Generator of binary individuals.
 */
export declare class BinaryGenerator extends BaseGenerator<BinaryIndividual, BinaryGeneratorParams, boolean> {
    /**
     * Throws an exception if chance is not in
     * range [0.0 - 1.0].
     * @param chance that is going to be tested.
     * @throws RangeError if chance is not in range.
     */
    protected static checkChance(chance: number): void;
    /**
     * Generates an individual with the specified
     * params.
     * @param length of the individual.
     * @param chance of a generated gene to be `true`.
     *        By default is `0.5`.
     * @param engine (of `random-js`) that is going to be used.
     * @return The [[BinaryIndividual]] with the generated genotype.
     * @throws RangeError if `length` is not greater than `0`.
     * @throws RangeError if `chance` is not in range [0.0 - 1.0].
     */
    generate(length: number, chance?: number, engine?: import("random-js").Engine): BinaryIndividual;
    /**
     * Generates a gene with the specified params.
     * @param params of the generator.
     * @return the generated gene.
     */
    generateGene(params: BinaryGeneratorParams): boolean;
    /**
     * Generates an individual with the specified
     * params.
     * @param params of the generator.
     * @return The [[BinaryIndividual]] with the generated genotype.
     * @throws RangeError if `chance` is not in range [0.0 - 1.0].
     * @throws RangeError if `length` is not greater than `0`.
     */
    generateWith(params: BinaryGeneratorParams): BinaryIndividual;
    /**
     * Construct a [[BinaryIndividual]] given
     * a genotype.
     * @param genotype
     */
    construct(genotype: boolean[]): BinaryIndividual;
}