import { type AGUIEvent, type Message } from '@ag-ui/core';
import type { ContentBlock } from '@aws-sdk/client-bedrock-runtime';
import { type BedrockCapture } from './bedrock-native';
/** Reads Bedrock native provenance metadata. @internal */
export declare function bedrockMarker(metadata: unknown): Record<string, unknown> | undefined;
/** Recognizes all provider metadata, including foreign providers and future versions. @internal */
export declare function isBedrockProviderMetadata(metadata: unknown): boolean;
/** Matches explicit native result families without treating call completion as success. @internal */
export declare function isBedrockResultTypeCompatible(name: unknown, type: unknown): boolean;
/** Creates a complete footer only after native completion and a real canonical owner. @internal */
export declare function createBedrockHistoryFooter(state: BedrockCapture, options: {
    ownerMessageId?: string;
    responseId: string;
    representedMessageIds: readonly string[];
}, normalEOF?: boolean): AGUIEvent | undefined;
/** Validated native responses anchored at the earliest represented canonical message. @internal */
export interface BedrockHistoryReplay {
    readonly responses: ReadonlyMap<string, ContentBlock[]>;
    readonly representedMessageIds: ReadonlySet<string>;
    readonly providerCallIds: ReadonlySet<string>;
}
/** Validates required native fields while retaining owned opaque SDK extension data. @internal */
export declare function readBedrockNativeContent(value: unknown): ContentBlock[];
/** Validates complete capture ownership, native provenance and chronological result identity. @internal */
export declare function readBedrockHistory(messages: readonly Message[]): BedrockHistoryReplay;