import { AST, TmplAstNode, BindingPipe, Binary } from '@angular/compiler';
import { ParserInterface } from './parser.interface.js';
import { TranslationCollection } from '../utils/translation.collection.js';
export declare const TRANSLATE_PIPE_NAMES: string[];
export declare class PipeParser implements ParserInterface {
    extract(source: string, filePath: string): TranslationCollection;
    protected findPipesInNode(node: TmplAstNode): BindingPipe[];
    protected parseTranslationKeysFromPipe(pipeContent: AST): string[];
    protected getTranslatablesFromAst(ast: AST): BindingPipe[];
    protected getTranslatablesFromAsts(asts: AST[]): BindingPipe[];
    protected flatten<T extends AST>(array: T[][]): T[];
    protected parseTemplate(template: string, path: string): TmplAstNode[];
    protected isLogicalOrNullishCoalescingExpression(expr: unknown): expr is Binary;
}