import type { Driver, DriverCandidate, DriverStep } from "./types.js";
export interface WeightedRandomDriverOptions {
    /**
     * Optional weight transform — receives the candidate's heuristic weight
     * and returns the effective weight. Use to plug coverage-feedback bias
     * (see `crawler.coverageWeightFor`) into the driver layer.
     */
    weightOf?: (c: DriverCandidate, step: DriverStep) => number;
}
export declare function weightedRandomDriver(opts?: WeightedRandomDriverOptions): Driver;
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