import { ValidationRuleMetaData } from '../../../ValidationRuleMetaData';
import { OasHeader } from '../../../../../openapi/models/OasHeader';
import { OasInvalidPropertyValueRule } from './OasInvalidPropertyValueRule';
/**
 * Constructor.
 * @param {ValidationRuleMetaData} ruleInfo
 * @class
 * @extends OasInvalidPropertyValueRule
 * @author eric.wittmann@gmail.com
 */
export declare class OasUnknownHeaderTypeRule extends OasInvalidPropertyValueRule {
    constructor(ruleInfo: ValidationRuleMetaData);
    /**
     * @see io.apicurio.datamodels.combined.visitors.CombinedAllNodeVisitor#visitHeader(io.apicurio.datamodels.openapi.models.OasHeader)
     * @param {OasHeader} node
     */
    visitHeader(node: OasHeader): void;
}
