import { Compile } from './base-compile';
import { Attribute, IndexAttribute, Method, ReferencesAST } from '../type';
export declare class References extends Compile {
    /**
     * get variable value
     * @param {object} ast ast data
     * @param {bool} isVal for example `$foo`, isVal value should be true, other condition,
     * `#set($foo = $bar)`, the $bar value get, isVal set to false
     */
    getReferences(ast: ReferencesAST, isVal?: boolean): any;
    /**
     * Get local variables used in macro and foreach loops
     */
    getLocal(ast: ReferencesAST): {
        value: unknown;
        isLocal: boolean;
    };
    /**
     * $foo.bar property evaluation, the last two parameters are used in user-passed functions
     * @param {object} property Property description, an object that mainly includes id, type and other definitions
     * @param {object} baseRef Current execution chain result, e.g. for $a.b.c, the first baseRef is $a,
     * the second is the return value of $a.b
     * @private
     */
    getAttributes(property: Attribute, baseRef: unknown, ast: ReferencesAST): any;
    /**
     * $foo.bar[1] index evaluation
     * @private
     */
    getPropIndex(property: IndexAttribute, baseRef: object): unknown;
    /**
     * $foo.bar() method evaluation
     */
    getPropMethod(property: Method, baseRef: any, ast: ReferencesAST): any;
    _throw(ast: ReferencesAST, property: Attribute, errorName?: string): void;
}