/**
 * Model-gated value strips — a pre-pass that runs at the top of the
 * `prepareArguments` override, before the validate-then-repair engine.
 *
 * Adapted from monotykamary/pi-tool-repair (MIT): its `stripAnchorBleedInPlace`
 * and `stripGrammarTokenLeaksInPlace`. Two differences from upstream:
 *  - Anchor stripping skips regex-typed fields (the `grep.pattern` field), where
 *    a leading `^` / trailing `$` may be intended regex syntax and is
 *    indistinguishable from a bled anchor — so we never guess there.
 *  - Strips are surfaced through this extension's repair-note / telemetry
 *    machinery (a distinct rule id per strip) rather than debug stderr.
 *
 * Why a pre-pass and not an engine rule: the engine's rules fire on
 * schema-invalid input, but an anchor-bled string still validates as a string.
 * Strips transform input that is valid both before and after, so they run
 * ahead of the engine on their own trigger (a model gate), not on a validation
 * failure. See design decision D1.
 */
/** Model families that bleed regex anchors into generated values. */
export declare const ANCHOR_BLEED_MODELS: readonly RegExp[];
/** Model families that leak GLM-style grammar tokens into keys/values. */
export declare const GRAMMAR_LEAK_MODELS: readonly RegExp[];
/**
 * Regex-typed fields exempt from anchor stripping, keyed by tool. `grep.pattern`
 * is the only true regex field among the built-ins (`find.pattern` is a glob,
 * where anchors are never syntax, so it is *not* exempt). See D2 and
 * docs/research.md Claim 8.
 */
export declare const ANCHOR_STRIP_SKIP: Record<string, ReadonlySet<string>>;
export declare const STRIP_ANCHOR_RULE = "stripAnchorBleed";
export declare const STRIP_GRAMMAR_RULE = "stripGrammarTokenLeak";
export interface ValueStripResult {
    changed: boolean;
    /** Distinct rule identifier per strip that fired. */
    rules: string[];
    /** Model-facing notes for the repair-note channel. */
    notes: string[];
}
/**
 * Run the model-gated strips over a clone of `input`. Returns the (possibly
 * modified) clone plus a result describing what fired. When nothing fires,
 * `result.changed` is false and the original `input` reference is returned.
 */
export declare function stripValues(options: {
    toolName: string;
    input: unknown;
    modelId: string | undefined;
}): {
    input: unknown;
    result: ValueStripResult;
};
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