import type { ContentBlock } from '@aws-sdk/client-bedrock-runtime';
import { type ɵToolStep } from '@hashbrownai/core';
/** Native server invocation owned by Bedrock. @internal */
export interface BedrockProviderCall {
    readonly id: string;
    readonly name: string;
    readonly builtin?: 'web_search' | 'code_execution';
    readonly input: unknown;
    readonly nativeBlock: ContentBlock;
    readonly startedAt?: number;
}
/** Settled native tool result and its independent owned provenance. @internal */
export interface BedrockProviderResult {
    readonly step: ɵToolStep;
    readonly content: string;
    readonly nativeBlock: ContentBlock;
}
/** Reads server-owned invocations, preserving arbitrary JSONDocument inputs. @internal */
export declare function readBedrockProviderCall(block: unknown, startedAt?: number): BedrockProviderCall | undefined;
/** Creates a full running step without treating invocation closure as success. @internal */
export declare function bedrockRunningStep(call: BedrockProviderCall): ɵToolStep;
/** Matches results only by unique native ID and rejects mismatched concrete families. @internal */
export declare function matchBedrockProviderResult(block: unknown, calls: readonly BedrockProviderCall[]): BedrockProviderCall | undefined;
/** Normalizes a completed native result while independently preserving its full native block. @internal */
export declare function readBedrockProviderResult(call: BedrockProviderCall, block: unknown, settledAt?: number): BedrockProviderResult | undefined;