/**
 * Collect a type annotation string from the token stream.
 * Reads tokens until a delimiter is found: `=`, `,`, `)`, `->`, `;`, or `end`.
 * Handles balanced parens/brackets/braces so nested types work.
 *
 * Used by parseBindingTarget (for `let x: T = ...` and `(a: T) -> ...`)
 * and parseLambdaFunction (for `(a): T -> ...`).
 */
import type { ParserContext } from '../ParserContext';
export declare function collectTypeAnnotation(ctx: ParserContext, options?: {
    stopAtArrow?: boolean;
    stopAtRParen?: boolean;
}): string;
/**
 * Check if the current token is `:` indicating a type annotation.
 * Only valid in the symbol binding case (not inside object patterns,
 * where `:` means nested destructuring — that's handled separately).
 */
export declare function isTypeAnnotationColon(ctx: ParserContext): boolean;