import { TransformVisitor } from "visitor-as";
import { ClassDeclaration, DiagnosticEmitter, FieldDeclaration } from "assemblyscript";
import { EventDeclaration } from "../ast";
import { EventConfig } from "../config";
/**
 * EventVisitor traversal `@event` class and implements Event interface for it. The fields must be scale types.
 * Note: Don't reuse a visitor if you have not reset the inner state.
 */
export declare class EventVisitor extends TransformVisitor {
    readonly emitter: DiagnosticEmitter;
    readonly config: EventConfig;
    private topicNum;
    private eventId;
    private hasBase;
    private topics;
    private data;
    eventDeclaration: EventDeclaration;
    constructor(emitter: DiagnosticEmitter, config: EventConfig);
    visitClassDeclaration(node: ClassDeclaration): ClassDeclaration;
    visitFieldDeclaration(node: FieldDeclaration): FieldDeclaration;
    /**
     *
     * @returns Return current number of found topic field
     */
    getTopicNum(): number;
    private visitNonTopicField;
    private genEvent;
    private genEventId;
}