import type { ChatUiMessage, ChatUiMessageChunk, MessageMetadata } from "../../chat/types.js";
import { type MirroredToolChunkState } from "../streaming/mirrored-tool-chunk-state.js";
/** Input payload for build finalized message state. */
export interface BuildFinalizedMessageStateInput {
    responseMessage: ChatUiMessage;
    isAborted: boolean;
    finalStep: unknown;
    incompleteToolCallsPartErrorText: string;
}
/** Input payload for build detached fallback message. */
export interface BuildDetachedFallbackMessageInput {
    capturedMessageId: string | null;
    finalStep: unknown;
    isAborted: boolean;
    incompleteToolCallsPartErrorText: string;
}
/** State for finalized message. */
export interface FinalizedMessageState {
    persistedMessage: ChatUiMessage;
    sanitizedFinalizedMessage: ChatUiMessage;
    hasIncompleteFinalizedToolParts: boolean;
}
/** State for detached fallback message. */
export interface DetachedFallbackMessageState {
    finalizedFallbackMessage: ChatUiMessage;
    hasIncompleteFallbackToolParts: boolean;
}
/** Input payload for build finalized message fallback chunks. */
export interface BuildFinalizedMessageFallbackChunksInput {
    persistedMessage: ChatUiMessage;
    sanitizedFinalizedMessage: ChatUiMessage;
    finalStep: unknown;
    mirroredToolChunkState: MirroredToolChunkState;
    capturedMessageId: string | null;
    hasIncompleteFinalizedToolParts: boolean;
}
/** Input payload for build detached fallback chunks. */
export interface BuildDetachedFallbackChunksInput {
    fallbackParts: ChatUiMessage["parts"];
    finalStep: unknown;
    mirroredToolChunkState: MirroredToolChunkState;
    mirroredDurableOutput: boolean;
    capturedMessageId: string;
    hasIncompleteFallbackToolParts: boolean;
}
/** State for build finalized message. */
export declare function buildFinalizedMessageState(input: BuildFinalizedMessageStateInput): FinalizedMessageState;
/** State for build detached fallback message. */
export declare function buildDetachedFallbackMessageState(input: BuildDetachedFallbackMessageInput): DetachedFallbackMessageState;
/** Builds finalized message fallback chunks. */
export declare function buildFinalizedMessageFallbackChunks(input: BuildFinalizedMessageFallbackChunksInput): ChatUiMessageChunk<MessageMetadata>[];
/** Builds detached fallback chunks. */
export declare function buildDetachedFallbackChunks(input: BuildDetachedFallbackChunksInput): ChatUiMessageChunk<MessageMetadata>[];
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