import type { PipelineContext, PipelinePhase } from './types.js';
export declare class PipelineRunner {
    /** Topo-sorted phase names, computed once in constructor for O(1) phase map lookups. */
    private readonly sortedNames;
    /** O(1) phase lookup by name. */
    private readonly phaseMap;
    constructor(phases: PipelinePhase<unknown>[]);
    run(ctx: PipelineContext): Promise<Map<string, unknown>>;
}
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