export declare enum CodeGraphErrorCode {
    NOT_FOUND = "CODEGRAPH_NOT_FOUND",
    NOT_INITIALIZED = "CODEGRAPH_NOT_INITIALIZED",
    COMMAND_FAILED = "CODEGRAPH_COMMAND_FAILED",
    TIMEOUT = "CODEGRAPH_TIMEOUT",
    ABORTED = "CODEGRAPH_ABORTED",
    OUTPUT_TOO_LARGE = "CODEGRAPH_OUTPUT_TOO_LARGE"
}
export declare class CodeGraphError extends Error {
    readonly code: CodeGraphErrorCode;
    readonly remediation: string;
    readonly stderrTail?: string;
    constructor(code: CodeGraphErrorCode, message: string, remediation: string, stderrTail?: string);
}
/**
 * Formats an error into a clean, agent-actionable string without Node stack traces.
 */
export declare function formatToolError(error: unknown): string;
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