/**
 * Resolve the absolute path of the instrumenter's internal
 * `directive-bookkeeper.js` against the HOISTED `@stryker-mutator/instrumenter`
 * instance — the same technique as `resolveMutatePath()` (the package's
 * `exports` map does not expose it as a subpath).
 */
export declare function resolveDirectiveBookkeeperPath(): string;
/**
 * Expand ONE directive comment value in place: when it is a Stryker
 * `disable|restore [next-line] <names>[: reason]` directive whose name list
 * contains a bare `llm` (case-insensitive), append every `category` not already
 * present (case-insensitive) after the existing names — which keep their
 * original order — and leave the `: reason` suffix, `all`, unrelated names and
 * any surrounding whitespace untouched. Any other value is returned unchanged.
 * PURE.
 */
export declare function expandLlmDirective(value: string, categories?: readonly string[]): string;
/**
 * Expand an `excludedMutations` list: when it contains exactly `'llm'`
 * (case-sensitive, mirroring Stryker's own `includes` check), append every
 * `category` not already present; otherwise return a copy. PURE.
 */
export declare function expandExcludedMutations(excluded: readonly string[], categories?: readonly string[]): string[];
/** The slice of a babel node the bookkeeper destructures. */
export interface DirectiveNode {
    loc?: unknown;
    leadingComments?: ReadonlyArray<{
        value: string;
    }> | null;
}
/** The structural minimum of Stryker's `DirectiveBookkeeper` class we patch. */
export interface DirectiveBookkeeperClass {
    prototype: {
        processStrykerDirectives(node: DirectiveNode): void;
    };
}
/**
 * Wrap `bookkeeper.prototype.processStrykerDirectives` once so every directive
 * naming a bare `llm` is booked as if it also named every `category`. Pure
 * apart from the prototype write; testable with a fake class.
 *
 * @returns `'installed'` on the first call, `'already-installed'` afterwards.
 */
export declare function installLlmDirectiveAlias(bookkeeper: DirectiveBookkeeperClass, categories?: readonly string[]): 'installed' | 'already-installed';
/** Test seam for {@link installLlmDirectiveAliasIntoStryker}. */
export interface InstallLlmDirectiveAliasOptions {
    /** Override the module resolution (tests point it at a missing / methodless module). */
    resolvePath?: () => string;
}
/**
 * Resolve the real instrumenter `directive-bookkeeper.js` by runtime path,
 * dynamic-import it (a computed `file://` URL, so the bundler keeps it
 * external) and install the alias on its `DirectiveBookkeeper` class. Returns
 * `true` when the alias is (or already was) installed; on ANY failure — module
 * unresolvable, class or method missing — logs a loud warning through `log`
 * and returns `false`. Never throws.
 */
export declare function installLlmDirectiveAliasIntoStryker(log?: (line: string) => void, options?: InstallLlmDirectiveAliasOptions): Promise<boolean>;