import type { Tool, ToolDialect } from "../../schemas/index";
interface HistoryMessage {
    role: string;
    content: string;
    attachments?: {
        path: string;
    }[] | undefined;
}
/**
 * Static tools mode: prepend tools right after the system message (or at the
 * very start when no system message is present). The tool block stays in the
 * kv-cache for the whole chat session.
 */
export declare function prependToolsToHistory(history: HistoryMessage[], tools: Tool[]): Array<HistoryMessage | Tool>;
/**
 * Dynamic tools mode: append tools after the last history message. The
 * addon's compact-tools mode anchors the block after the last user message
 * and trims it from the kv-cache once the tool-call chain resolves, so a
 * subsequent turn can ship a different tool set without poisoning the cache.
 */
export declare function appendToolsToHistory(history: HistoryMessage[], tools: Tool[]): Array<HistoryMessage | Tool>;
export declare function detectToolDialect(modelId: string): ToolDialect;
export {};
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