/**
 * Host-side `grep` / `glob` fast path — wraps ripgrep (`rg`) and renders
 * a token-efficient, grouped output analogous to the sandbox variant.
 *
 * Activated by `src/hooks/host-tools.ts` only when:
 *   - `rg` is available on PATH, and
 *   - the current session is NOT running in a sandbox (sandbox-tools.ts
 *     handles grep/glob inside containers separately).
 *
 * Gracefully falls through (returns null) when `rg` is not available, so the
 * caller can fall back to opencode's built-in implementation.
 */
/** Probe whether `rg` is installed. Result is memoised for the process lifetime. */
export declare function isRipgrepAvailable(): boolean;
/** Resets the cached probe (tests only). */
export declare function __resetRipgrepProbeForTests(): void;
export interface HostGlobOptions {
    path?: string;
    cwd: string;
}
export interface HostGrepOptions {
    path?: string;
    include?: string;
    cwd: string;
}
/**
 * List files matching a glob pattern using `rg --files --glob`.
 * Returns `null` when `rg` is unavailable so callers can fall back.
 */
export declare function executeHostGlob(pattern: string, opts: HostGlobOptions): string | null;
/**
 * Search for a regex pattern using `rg --json`. Renders each match as a
 * submatch-centred window (±30 chars) rather than the full line, which is
 * critical for minified / long-line repositories.
 */
export declare function executeHostGrep(pattern: string, opts: HostGrepOptions): string | null;
/** Parse ripgrep's `--json` event stream. Exported for unit tests. */
export declare function parseRipgrepJson(stdout: string): string;
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