/**
 * Composable agent pipeline. Steps run in order; one may early-terminate by
 * returning `stop: true` (set by `PolicyGate` on denial). The final step
 * (typically `AuditEmitter`) always runs even if an earlier step stopped —
 * audit decisions are recorded whether or not we replied.
 *
 * Step composition:
 *   pipeline.replaceStep('intent', myCustom)
 *   pipeline.before('llm', extraGuard)
 *   pipeline.after('llm', metrics)
 *
 * Each step has a unique `name`. Named lookups throw if missing/duplicate.
 */
import { type PipelineContext, type PipelineDecision, type PipelineStep } from './types.js';
export declare class AgentPipeline<C extends PipelineContext = PipelineContext> {
    steps: PipelineStep<C>[];
    constructor(steps: PipelineStep<C>[]);
    run(ctx: C): Promise<PipelineDecision>;
    replaceStep(name: string, step: PipelineStep<C>): this;
    before(name: string, step: PipelineStep<C>): this;
    after(name: string, step: PipelineStep<C>): this;
    private indexOf;
    private checkNames;
}
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