import { Mutant } from '../core/index.js';
import { CheckResult } from './check-result.js';
export interface Checker {
    init(): Promise<void>;
    /**
     * Check a mutant group.
     * @param mutants A group of mutants to check
     * @returns key-value pairs of mutant ids with the check results
     */
    check(mutants: Mutant[]): Promise<Record<string, CheckResult>>;
    /**
     * Group mutants into groups to check.
     * If missing, groups of singular mutants are assumed.
     * @param mutants the mutants to group
     * @returns the groups of mutant ids
     */
    group?(mutants: Mutant[]): Promise<string[][]>;
}
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