import type { ClassifierContext, ClassifierResult, Usage } from "@bastani/pi-ai";
import type { LineRange, NumberedRegion, VerbatimCompactionParameters } from "./compaction-types.js";
import { type CompactionInputMessage, type StructuredCompactionInput } from "./structured-compaction-input.js";
export interface ClassifierUnit extends LineRange {
    message: CompactionInputMessage;
    position: string;
}
export declare function buildClassifierUnits(input: StructuredCompactionInput): ClassifierUnit[];
export declare function planClassifierRanges(region: NumberedRegion, parameters: VerbatimCompactionParameters, classify: (context: ClassifierContext) => Promise<ClassifierResult>, options?: {
    signal?: AbortSignal;
    onUsage?: (usage: Usage) => void;
}): Promise<LineRange[]>;
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