export default filter;
/**
 * <T, A>
 */
export type Filter<T, A extends unknown[]> = (this: import('barnard59-core').Context, chunk: T, encoding: string, ...args: A) => boolean | Promise<boolean>;
/**
 * @typedef {(this: import('barnard59-core').Context, chunk: T, encoding: string, ...args: A) => boolean | Promise<boolean>} Filter<T, A>
 * @template T
 * @template {Array<unknown>} A
 */
/**
 * @template T
 * @template {Array<unknown>} A
 * @this {import('barnard59-core').Context}
 * @param {Filter<T, A>} func
 * @param {A} args
 * @return {import('stream').Transform}
 */
declare function filter<T, A extends unknown[]>(this: import("barnard59-core").Context, func: Filter<T, A>, ...args: A): import('stream').Transform;