import * as ts from 'typescript/lib/tsserverlibrary';
import { ClassNameInfo, ExtractionContext } from '../core/types';
import { BaseExtractor } from './BaseExtractor';
/**
 * Extracts class names from various expression types
 * This is a utility extractor used by other extractors to handle nested expressions
 */
export declare class ExpressionExtractor extends BaseExtractor {
    private variableExtractor;
    constructor();
    canHandle(node: ts.Node, context: ExtractionContext): boolean;
    extract(node: ts.Node, context: ExtractionContext): ClassNameInfo[];
    /**
     * Recursively extract class names from any expression type
     */
    extractFromExpression(expression: ts.Expression, context: ExtractionContext): ClassNameInfo[];
    /**
     * Extract class names from an identifier by resolving its declaration
     * This should only be called for top-level variable references in className
     */
    extractFromIdentifier(identifier: ts.Identifier, context: ExtractionContext): ClassNameInfo[];
}
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