import { BufferReader } from '@aztec/foundation/serialize';
import { VkData } from '../vks/index.js';
import { PrivateKernelCircuitPublicInputs } from './private_kernel_circuit_public_inputs.js';
/**
 * Data of the previous kernel iteration in the chain of kernels.
 */
export declare class PrivateKernelData {
    /**
     * Public inputs of the previous kernel.
     */
    publicInputs: PrivateKernelCircuitPublicInputs;
    /**
     * The verification key and the witness of the vk in the vk tree.
     */
    vkData: VkData;
    constructor(
    /**
     * Public inputs of the previous kernel.
     */
    publicInputs: PrivateKernelCircuitPublicInputs, 
    /**
     * The verification key and the witness of the vk in the vk tree.
     */
    vkData: VkData);
    /**
     * Serialize this as a buffer.
     * @returns The buffer.
     */
    toBuffer(): Buffer<ArrayBufferLike>;
    static fromBuffer(buffer: Buffer | BufferReader): PrivateKernelData;
    static empty(): PrivateKernelData;
}
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