/**
 * Aexol Language Parser
 *
 * Builds an Abstract Syntax Tree (AST) from a token stream.
 * Supports the full Aexol language grammar for capability definitions,
 * workflows, and agent structures.
 */
import { TokenType } from "./lexer/tokens.js";
import type { Token } from "./lexer/tokens.js";
import type { CapabilityNode, Program } from "./ast/nodes.js";
import type { ParserCursor } from "./parser/cursor.js";
export declare class Parser implements ParserCursor {
    private tokenizer;
    currentToken: Token;
    constructor(source: string);
    advance(): Token;
    check(type: TokenType): boolean;
    checkAny(...types: TokenType[]): boolean;
    consume(type: TokenType, message?: string): Token;
    match(...types: TokenType[]): Token | null;
    consumeIdentifierOrKeyword(message?: string): Token;
    /**
     * Check if the current token is a keyword being used as an identifier in a
     * capability context. Many common English words (import, from, context, etc.)
     * are reserved keywords in the lexer but should be accepted as-is when they
     * appear as unquoted capability names (e.g. "can import catalog").
     */
    isKeywordUsedAsIdentifier(): boolean;
    skipNewlines(): void;
    isAtEnd(): boolean;
    /**
     * Check for and consume a description (PROMPT token with triple single-quotes) if present
     */
    parseDescriptionIfPresent(): string | undefined;
    private throwUnexpectedTopLevelToken;
    /**
     * Parse the entire program
     */
    parse(): Program;
    parseCapability(): CapabilityNode;
    /**
     * Parse string array: [item1, item2, item3]
     */
    parseStringArray(): string[];
}
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