import type { StandardSchemaV1 } from '../types/standard-schema.js';
import type { FlowNode, FlowState } from '../types/flow.js';
import type { StepRecord } from '../runtime/durable/types.js';
export interface NodeVerify {
    outputSchema?: StandardSchemaV1;
    check?: (input: VerifyInput) => boolean | Promise<boolean>;
}
export interface VerifyInput {
    state: FlowState;
    steps: StepRecord[];
    data?: Record<string, unknown>;
}
export declare class VerifyBlockedError extends Error {
    readonly nodeId: string;
    constructor(nodeId: string, message: string);
}
export declare function runNodeVerify(node: FlowNode, input: VerifyInput): Promise<void>;