export interface RenameRule {
    /** Source identifier (must match /^[A-Za-z_$][A-Za-z0-9_$]*$/). */
    from: string;
    /** Target identifier. */
    to: string;
}
/**
 * Rename identifiers in TS source, respecting word boundaries.
 *
 * Skips matches that:
 *   - are part of a longer word (e.g. renaming `foo` does NOT touch `foobar`)
 *   - are object property accesses on the LEFT side of a dot (e.g.
 *     `obj.foo` is left alone — that's a property of an object, not the
 *     identifier we're renaming)
 *
 * Does NOT skip matches inside string literals — string occurrences are
 * intentionally renamed too, since the harness's CLI references its own
 * name in lots of error messages and prompts.
 */
export declare function renameIdentifiers(source: string, rules: RenameRule[]): string;
/**
 * Rename across a file map, returning a NEW map. Convenience wrapper for
 * applying rules across many files.
 */
export declare function renameFileMap(files: Record<string, string>, rules: RenameRule[]): Record<string, string>;
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