import type { ChatMessage, CompletionResult, ProviderId } from "../../../types.js";
export declare const MAX_OUTPUT_BUDGET_CONTINUATIONS = 1;
export interface OutputBudgetState {
    truncatedBudgetRounds: number;
    continuationBudgetFloor: number;
    retryWithoutThinking: boolean;
    interruptedVisible: string;
    interruptedReasoning: string;
    lowYieldResumptions: number;
    visibleCommitted: boolean;
}
export interface OutputBudgetPorts {
    readonly messages: ChatMessage[];
    readonly provider: ProviderId;
    readonly model: string;
    readonly stepMaxTokens: number;
    readonly maxStepCompletionTokens: number;
    readonly notify: (level: "info" | "warn", message: string) => void;
    readonly recoveryUserMessage: (content: string) => ChatMessage;
    readonly pushAssistantHistory: (text: string) => void;
    readonly commitAssistantRetry: (text: string) => void;
}
export interface OutputBudgetInput {
    readonly completion: CompletionResult;
    readonly assistantVisible: string;
    readonly assistantThinkContent: string;
    readonly hasThinking: boolean;
    readonly canonicalVisible: string;
}
export type OutputBudgetDecision = "continue-round" | "stop-partial" | "proceed";
export declare const routeCompletionBudget: (input: {
    readonly provider: ProviderId;
    readonly model: string;
    readonly stepMaxTokens: number;
}) => number;
export declare const outputBudgetExhausted: (input: {
    readonly completion: CompletionResult;
    readonly completionBudget: number;
}) => boolean;
export declare const handleOutputBudgetExhaustion: (ports: OutputBudgetPorts, state: OutputBudgetState, input: OutputBudgetInput, completionBudget: number) => OutputBudgetDecision;