/** Local Copilot pressure signalling over the stock compaction recovery path. */
import type { Context } from '@deepseek-ai/cordis';
import type { GenerateOptions } from '@deepseek-ai/dsh-llm';
/** Conservative input threshold already resolved from authenticated model facts and current policy. */
export interface CopilotCompactionPressureBudget {
    readonly inputBudgetTokens: number;
}
/** Snapshot access belongs to the account route; pressure signalling never starts discovery. */
export interface CopilotCompactionPressureCallbacks {
    /** Return the exact owned request's current budget, or undefined when disabled or unavailable. */
    resolve(request: GenerateOptions): CopilotCompactionPressureBudget | undefined;
}
/**
 * Request a stock overflow reduction before sending an estimated over-budget
 * conversation. The loop has already logged and frozen this exact request;
 * only its owner can rebuild it after a durable compaction. Never rewrite the
 * request, invoke compaction concurrently, or intercept auxiliary summaries.
 * @param ctx - Host context owning the reversible stream listener.
 * @param callbacks - synchronous authenticated budget lookup, without discovery.
 * @returns disposer for the listener, also owned by its Cordis context.
 */
export declare function installCopilotCompactionPressure(ctx: Context, callbacks: CopilotCompactionPressureCallbacks): () => void;
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