import { HandlerType } from "@metamask/snaps-utils";
import type { Struct } from "@metamask/superstruct";
import type { Json } from "@metamask/utils";
import type { InvokeSnapArgs } from "./BaseSnapExecutor.cjs";
import type { JsonRpcRequestWithoutId } from "./validation.cjs";
/**
 * Assert that the params match the provided struct.
 *
 * @param method - The RPC method being validated.
 * @param params - The RPC parameters being validated.
 * @param struct - The struct to validate the parameters against.
 */
export declare function assertCommandParams<Type extends Json | undefined, Schema>(method: string, params: Json | undefined, struct: Struct<Type, Schema>): asserts params is Type;
/**
 * Formats the arguments for the given handler.
 *
 * @param origin - The origin of the request.
 * @param handler - The handler to pass the request to.
 * @param request - The request object.
 * @returns The formatted arguments.
 */
export declare function getHandlerArguments(origin: string, handler: HandlerType, request: JsonRpcRequestWithoutId): InvokeSnapArgs;
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