/**
 * Array / string method lowering for the Jinja2 template adapter.
 *
 * Ported from `packages/adapter-xslate/src/adapter/expr/array-method.ts`.
 * Pure free functions shared by both the filter-context emitter and the
 * top-level emitter — they take an `emit` callback for receiver / argument
 * recursion and read no adapter instance state.
 *
 * The receiver/array helpers are the same runtime methods the Xslate adapter
 * calls, invoked as `bf.NAME(...)` (bare, no `$` sigil) instead of
 * `$bf.NAME(...)`.
 */
import type { ParsedExpr, ArrayMethod, SortComparator, FlatDepth, CallbackEvalSpelling } from '@barefootjs/jsx';
/**
 * Lower `object.method(...args)` through the shared catalogue
 * (`@barefootjs/jsx`'s `adapters/array-method.ts`). This adapter only spells
 * the helper call.
 */
export declare function renderArrayMethod(method: ArrayMethod, object: ParsedExpr, args: ParsedExpr[], emit: (e: ParsedExpr) => string): string;
/**
 * How this adapter spells a runtime-evaluator call. What to call, with which
 * operands and captured names, is decided by `@barefootjs/jsx`'s
 * `adapters/callback-method.ts`.
 */
export declare const EVAL_SPELLING: CallbackEvalSpelling;
/**
 * Shared Jinja emit for `.sort(cmp)` / `.toSorted(cmp)`. Used by both the
 * filter-context emitter and the top-level emitter, plus the loop-array
 * wrap in `renderLoop`. The runtime `bf.sort` accepts an opts dict and
 * returns a fresh list.
 */
export declare function renderSortMethod(recv: string, c: SortComparator): string;
export declare function renderFlatMethod(recv: string, depth: FlatDepth | {
    expr: ParsedExpr;
}, emit: (e: ParsedExpr) => string): string;
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