import { ErrNoData, ErrEvalStackEmpty, ErrCheckFailed } from "./core";
import { ErrNoPath, ErrNoName, ErrNoVersion } from "./feature-url";
import { ErrExtraSchema, ErrNoSchema, ErrNoCore, ErrBadFeature, ErrOverlappingNames } from "./schema";
import { ErrVersionParse } from "./version";
export declare type AnyError = ReturnType<typeof ErrNoData | typeof ErrEvalStackEmpty | typeof ErrCheckFailed | typeof ErrNoPath | typeof ErrNoName | typeof ErrNoVersion | typeof ErrExtraSchema | typeof ErrNoSchema | typeof ErrNoCore | typeof ErrBadFeature | typeof ErrOverlappingNames | typeof ErrVersionParse>;
export declare function isAnyError(o: any): o is AnyError;
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