import { AztecAddress } from '@aztec/circuits.js';
import { FunctionCall } from '@aztec/types';
/**
 * Compute an authentication witness message hash from a caller and a request
 * H(caller: AztecAddress, target: AztecAddress, selector: Field, args_hash: Field)
 * @param caller - The caller approved to make the call
 * @param request - The request to be made (function call)
 * @returns The message hash for the witness
 */
export declare const computeAuthWitMessageHash: (caller: AztecAddress, request: FunctionCall) => Buffer;
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