import ASTNode from "./ast/ASTNode";
import ASTVisitor from "./ast/ASTVisitor";
import ASTAssembler from "./ASTAssembler";
import CodeLocation from "./CodeLocation";
import Token from "./Token";
export declare const BinAfter: unique symbol;
export declare const BinBefore: unique symbol;
export type PinpointerRet = ASTNode | typeof BinAfter | typeof BinBefore;
export type DispatchTokenMix = (Token | (() => PinpointerRet))[];
/**
 * This class searches through the AST to find a node based on its position.
 * It may return BinAfter or BinBefore if the node cannot be found.
 */
export default class ASTPinpointer extends ASTAssembler<PinpointerRet> implements ASTVisitor<PinpointerRet> {
    pinpointLocation: CodeLocation;
    /**
     * Contains all the ancestors of the pinpointed nodes. The pinpointed node is always first.
     */
    bottomUpHierarchy: ASTNode[];
    constructor(pinpointLocation: CodeLocation);
    /**
     * Returns the node at pinpointLocation and populates bottomUpHierarchy.
     * @param n The AST (or AST fragment) to search through.
     */
    doPinpoint(n: ASTNode): PinpointerRet;
    protected processAssembledNode(t: DispatchTokenMix, self: ASTNode): PinpointerRet;
}