import type { Grader, GraderInput, GraderMetadata, GraderResult } from "../../index.js";
export declare class FileContainsGrader implements Grader {
    metadata: GraderMetadata;
    constructor(name?: "file-contains" | "file-not-contains");
    /** `file-contains README.md 'hello'` — several instances often check the
     *  same file for different values, so both parts discriminate. */
    defaultName(config: Record<string, unknown>): string;
    grade(input: GraderInput): Promise<GraderResult>;
}
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