import { ExpressionRuntimePort } from "../expression/evaluateExpression";
import { ManifestWrapper, PipelineRuntimePort, RegisteredStep } from "../pipeline/runScaffoldPipeline";
/** Shared v4 pipeline registry and port factory. See ADR-0017 for whitelist rules. */
/** The orchestration names the engine knows (ADR-0017 closed whitelist). */
export declare const KNOWN_PIPELINES: Set<string>;
/** The post-render step whitelist (ADR-0017 decision 2). */
export declare const STEP_REGISTRY: Map<string, RegisteredStep>;
/** No-op wrapper for create flows that do not mutate a manifest. */
export declare const NOOP_MANIFEST_WRAPPER: ManifestWrapper;
/** Runtime-specific file sink injected behind the shared pipeline port. */
export interface FileSink {
    /** Persist `data` at `path` (a target-relative, forward-slash path). */
    write(path: string, data: Buffer): void;
    /** Read back a previously written file, or `undefined` when absent (EAFP). */
    read(path: string): Buffer | undefined;
}
/** Build the shared pipeline port over an injected file sink. */
export declare function buildPipelinePort(exprPort: ExpressionRuntimePort, sink: FileSink): PipelineRuntimePort;
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