import type { ChunkType, DataChunkType, NetworkChunkType, OutputSchema } from '@mastra/core/stream';
export declare const isDataChunkType: (chunk: any) => chunk is DataChunkType;
export declare const isMastraTextStreamChunk: (chunk: any) => chunk is ChunkType<OutputSchema>;
export declare function safeParseErrorObject(obj: unknown): string;
export declare const isAgentExecutionDataChunkType: (chunk: any) => chunk is Omit<NetworkChunkType, "payload"> & {
    payload: DataChunkType;
};
export declare const isWorkflowExecutionDataChunkType: (chunk: any) => chunk is Omit<NetworkChunkType, "payload"> & {
    payload: DataChunkType;
};
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