import { ForbiddenError, NotFoundError, ValidationFailedError } from "@gala-chain/api";
export declare class TokenInstanceNotFoundError extends NotFoundError {
    constructor(tokenInstanceKey: string);
}
export declare class TokenInstanceMetadataNotFoundError extends NotFoundError {
    constructor(tokenInstanceKey: string, project: string);
}
export declare class NftInstanceRequiredError extends ValidationFailedError {
    constructor(tokenInstanceKey: string);
}
export declare class TooManyMetadataDocumentsError extends ValidationFailedError {
    constructor(tokenInstanceKey: string, limit: number);
}
export declare class UserNotAuthorizedForProjectError extends ForbiddenError {
    constructor(user: string, project: string);
}
//# sourceMappingURL=TokenInstanceMetadataError.d.ts.map