node_modules/http-proxy-middleware/dist/errors.d.ts

export declare enum ERRORS {
    ERR_CONFIG_FACTORY_TARGET_MISSING = "[HPM] Missing \"target\" option. Example: {target: \"http://www.example.org\"}",
    ERR_CONTEXT_MATCHER_GENERIC = "[HPM] Invalid pathFilter. Expecting something like: \"/api\" or [\"/api\", \"/ajax\"]",
    ERR_CONTEXT_MATCHER_INVALID_ARRAY = "[HPM] Invalid pathFilter. Plain paths (e.g. \"/api\") can not be mixed with globs (e.g. \"/api/**\"). Expecting something like: [\"/api\", \"/ajax\"] or [\"/api/**\", \"!**.html\"].",
    ERR_PATH_REWRITER_CONFIG = "[HPM] Invalid pathRewrite config. Expecting object with pathRewrite config or a rewrite function"
}