/**
 * Role: one completed-JSON owner for Anthropic streamed tool arguments.
 * Consumes already-decoded events; it neither frames SSE nor assembles a
 * message. Original block positions, not provider IDs, associate evidence.
 */
import type { LLMResponse } from '../../provider-contract/types.js';
type Failure = NonNullable<LLMResponse['toolCalls'][number]['argumentsFailure']>;
type ToolBlock = {
    readonly id: string;
    readonly name: string;
    readonly input: unknown;
};
/** Per-response raw argument evidence, shared by SDK and fetch adapters. */
export declare class AnthropicToolArguments {
    private readonly blocks;
    private readonly starts;
    private observedTool;
    private ended;
    private invalid;
    /** Record only the protocol facts needed to judge a tool's completed JSON. */
    observe(event: unknown): void;
    /** EOF/abort is not a completed response, even if an SDK exposes a partial object. */
    assertTerminal(hasFinalTools?: boolean): void;
    /** A finite refusal, never an SDK's partial/repaired object, for unsafe input. */
    finish(index: number, tool: ToolBlock): {
        input: Record<string, unknown>;
        failure?: Failure;
        raw: string;
    };
}
export {};