import type { StreamTerminalProof } from "./provider-profile.js";
export interface StreamTerminalPolicy {
    readonly proofs: readonly StreamTerminalProof[];
    readonly naturalEofAccepted: boolean;
}
export interface PartialStreamByteCounts {
    readonly answerBytes: number;
    readonly reasoningBytes: number;
    readonly toolArgumentBytes: number;
}
export declare const CHAT_COMPLETIONS_STREAM_TERMINAL: StreamTerminalPolicy;
export declare const ANTHROPIC_STREAM_TERMINAL: StreamTerminalPolicy;
export declare const GEMINI_STREAM_TERMINAL: StreamTerminalPolicy;
export declare const META_STREAM_TERMINAL: StreamTerminalPolicy;
export declare const OLLAMA_STREAM_TERMINAL: StreamTerminalPolicy;
export declare class PartialStreamError extends Error {
    readonly answerBytes: number;
    readonly reasoningBytes: number;
    readonly toolArgumentBytes: number;
    constructor(provider: string, expected: readonly StreamTerminalProof[], counts: PartialStreamByteCounts);
}
export declare function isPartialStreamError(error: unknown): error is PartialStreamError;
export declare function requireTerminalProof(input: {
    provider: string;
    policy: StreamTerminalPolicy;
    signal: StreamTerminalProof | undefined;
    answerBytes: number;
    reasoningBytes: number;
    toolArgumentBytes: number;
}): void;