/** Node runtime capabilities that decide how a TypeScript script is run. */
export interface NodeCaps {
    /** `tsx` is installed locally (the preferred, version-agnostic TS loader). */
    readonly tsx: boolean;
    /** Node supports `--experimental-strip-types` (>= 22.6). */
    readonly stripTypes: boolean;
}
/** Detect TS-running capabilities for a project root. */
export declare function detectNodeCaps(cwd: string): NodeCaps;
/**
 * Is there ANY path by which `vigiles test` could execute a TypeScript script
 * here? The exact disjunction `interpreterArgs` branches on — one predicate, so
 * the suggester and the runner cannot drift back apart.
 */
export declare function canRunTypeScript(caps: NodeCaps): boolean;
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