getCustomWarning abstract method

Returns additional data associated with the given custom warning.

The provided WarningsRegistry.getCustomWarning.warning identifies a specific custom warning instance by its base warning information and custom warning type. This information is used to resolve the corresponding entry in the warning registry and retrieve any additional, type-specific data associated with the warning.

• warning The Warning instance identifying the custom warning for which additional data should be retrieved.

Returns CustomWarning?. The CustomWarning associated with the given WarningsRegistry.getCustomWarning.warning, or null if no additional data exists for this warning. The returned object contains the payload with type-specific details and attributes of the corresponding warning.

Note: This is a beta release of this feature, so there could be a few bugs and unexpected behaviors. Related APIs may change for new releases without a deprecation process.