import type { TagToken } from 'edge-lexer/types';
import { expressions as expressionsList, Parser } from 'edge-parser';
type ExpressionList = readonly (keyof typeof expressionsList | 'ObjectPattern' | 'ArrayPattern')[];
/**
 * Raise an `E_UNALLOWED_EXPRESSION` exception. Filename and expression is
 * required to point the error stack to the correct file
 */
export declare function unallowedExpression(message: string, filename: string, loc: {
    line: number;
    col: number;
}): void;
/**
 * Validates the expression type to be part of the allowed
 * expressions only.
 *
 * The filename is required to report errors.
 *
 * ```js
 * isNotSubsetOf(expression, ['Literal', 'Identifier'], () => {})
 * ```
 */
export declare function isSubsetOf(expression: any, expressions: ExpressionList, errorCallback: () => void): void;
/**
 * Validates the expression type not to be part of the disallowed
 * expressions.
 *
 * The filename is required to report errors.
 *
 * ```js
 * isNotSubsetOf(expression, 'SequenceExpression', () => {})
 * ```
 */
export declare function isNotSubsetOf(expression: any, expressions: ExpressionList, errorCallback: () => void): void;
/**
 * Parses the jsArg by generating and transforming its AST
 */
export declare function parseJsArg(parser: Parser, token: TagToken): any;
/**
 * Each loop. A soft replacement for `lodash.each` that we were using earlier
 */
export declare function each(collection: any, iteratee: (value: any, key: any) => void): void;
/**
 * Async each loop. A soft replacement for `lodash.each` that we were
 * using earlier with support for async await
 */
export declare function asyncEach(collection: any, iteratee: (value: any, key: any) => Promise<void>): Promise<void>;
/**
 * This class generates a valid object as a string, which is written to the template
 * output. The reason we need a string like object, since we don't want it's
 * properties to be evaluated during the object creation, instead it must
 * be evaluated when the compiled output is invoked.
 */
export declare class StringifiedObject {
    #private;
    addSpread(key: string): void;
    /**
     * Add key/value pair to the object.
     *
     * ```js
     * stringifiedObject.add('username', `'virk'`)
     * ```
     */
    add(key: any, value: any, isComputed?: boolean): void;
    /**
     * Returns the object alike string back.
     *
     * ```js
     * stringifiedObject.flush()
     *
     * // returns
     * `{ username: 'virk' }`
     * ```
     */
    flush(): string;
}
/**
 * Stringify an object to props to HTML attributes
 */
export declare function stringifyAttributes(props: any, namespace?: string): string;
export declare let nanoid: (length?: number) => string;
export {};