import { type WorkflowContext, type WorkflowResult } from './types.js';
export interface SignDefiCallInput {
    chainId: number;
    to: string;
    data: string;
    value?: string;
}
/**
 * Decode → fail-closed reject → policy → sign workflow.
 *
 * Interface-agnostic: callers provide WorkflowContext with their own
 * AuditSink, caller tag, and service name.
 */
export declare function signDefiCall(ctx: WorkflowContext, actionName: string, input: SignDefiCallInput): Promise<WorkflowResult>;