import type { GasFeeFlow, GasFeeFlowRequest, GasFeeFlowResponse } from '../types.js';
/**
 * The standard implementation of a gas fee flow that obtains gas fee estimates using only the GasFeeController.
 */
export declare class DefaultGasFeeFlow implements GasFeeFlow {
    #private;
    matchesTransaction(): boolean;
    getGasFees(request: GasFeeFlowRequest): Promise<GasFeeFlowResponse>;
}
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