import type { Command } from "commander";
export declare function registerTestCommand(program: Command): void;
export interface DetectedRunner {
    cmd: string;
    args: string[];
    source: string;
}
/** Spawn the detected runner and return the exit code to use. On a spawn
 * error (e.g. ENOENT: the detected binary is not installed) print a clear
 * diagnostic naming the binary + why it was chosen, and return 127. */
export declare function runRunner(runner: DetectedRunner, root: string): number;
export declare function detectRunner(root: string): DetectedRunner | null;
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