Stone.js API
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    Registers a kernel-level error handler in the blueprint.

    This utility defines a structured error handler (function, factory, or class) for one or more error types, and adds it to the stone.kernel.errorHandlers blueprint section.

    The error handler module (function, factory, or class).

    Metadata defining the error types it handles, and type flags.

    A partial StoneBlueprint with the error handler(s) registered.