import type { ChatMessage } from "../types.js";
import { estimateImageTokens, estimateMessagesTokens, estimateTextTokens as estimateTokens } from "./request-accounting.js";
import { CompactOptions, MECHANICAL_MEMORY_PREFIX, isCompactionMemoryMessage } from "./context/compact-with-summary.js";
export { COMPACTION_MEMORY_PREFIX, PLAN_IMPLEMENT_MEMORY_PREFIX, POST_COMPACT_SOFT_UPPER_BAND_TOKENS, compactMessagesWithSummary, compactionMemoryPrefixForPurpose } from "./context/compact-with-summary.js";
export { MECHANICAL_MEMORY_PREFIX, isCompactionMemoryMessage };
export type { CompactOptions, CompactResult, CompactionStrategy, CompactionSummaryStage } from "./context/compact-with-summary.js";
export { estimateImageTokens, estimateMessagesTokens, estimateTokens };
export { DEFAULT_AUTO_COMPACT_REQUEST_TOKENS as AUTO_COMPACT_TOKEN_BUDGET } from "../store/config/compaction.js";
export declare const POST_COMPACT_SOFT_GUIDANCE_TOKENS = 16000;
export declare const AUTO_COMPACT_STUB_MIN_CHARS = 120;
export declare const AUTO_COMPACT_STUB_BEFORE_TOKENS = 20000;
export declare function compactMessages(messages: ChatMessage[], options?: CompactOptions): ChatMessage[];
export declare function shouldApplyAutoCompact(input: {
    summarized: boolean;
    summaryBody: string;
    beforeTokens: number;
    afterTokens: number;
    afterMessages: readonly ChatMessage[];
}): boolean;