import type { LineRange, NumberedRegion, VerbatimCompactionParameters } from "./compaction-types.js";
export interface CompactionInputMessage {
    id: number;
    role: "user" | "assistant" | "tool";
    lines: string[];
}
export interface MessageLineRange extends LineRange {
    id: number;
}
export interface StructuredCompactionInput {
    messages: CompactionInputMessage[];
    query: string;
    compression_ratio: number;
    protected: MessageLineRange[];
}
export declare function buildStructuredCompactionInput(region: NumberedRegion, parameters: VerbatimCompactionParameters): StructuredCompactionInput;
export declare function parseMessageRangeRecords(text: string, truncated?: boolean): MessageLineRange[] | undefined;
export declare function mapMessageRanges(ranges: readonly MessageLineRange[], input: StructuredCompactionInput): LineRange[];
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