/**
 * Thrown when the user's extension source contains a problem that prevents
 * the platform dispatch plugin from processing it. The message is directly
 * actionable by the extension author.
 * @internal
 */
export declare class _BuildUserError extends Error {
    /** Error class name, overridden for stack trace readability. */
    name: string;
}
/**
 * Wraps an unexpected error caught by the platform dispatch plugin. Indicates
 * a bug in the plugin or an unanticipated environment condition, not a problem
 * with the extension author's code.
 * @internal
 */
export declare class _BuildSystemError extends Error {
    /** The original error that triggered this system error. */
    readonly cause: unknown;
    /** Error class name, overridden for stack trace readability. */
    name: string;
    constructor(message: string, 
    /** The original error that triggered this system error. */
    cause: unknown);
}
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