import { Header } from '@webpieces/core-util';
/**
 * PlatformHeader - Defines an HTTP header that can be transferred between services.
 *
 * Simplified from Java PlatformHeaders:
 * - Single headerName field (used for both HTTP header and MDC logging key)
 * - No separate getLoggerMDCKey() - just use headerName
 *
 * Implements Header interface from core-util to avoid circular dependencies.
 *
 * Per CLAUDE.md: "All data-only structures MUST be classes, not interfaces."
 * This is a data-only class with no business logic methods.
 */
export declare class PlatformHeader implements Header {
    /**
     * The HTTP header name (e.g., 'x-request-id', 'x-tenant-id').
     * Also used as the MDC logging key in RequestContext.
     * Case-insensitive per HTTP spec, but stored in canonical form.
     */
    readonly headerName: string;
    /**
     * Whether this header should be transferred from HTTP request to RequestContext.
     * If false, header is defined but not automatically transferred.
     * Only headers with isWantTransferred=true are copied from incoming requests.
     */
    readonly isWantTransferred: boolean;
    /**
     * Whether this header contains sensitive data that should be secured/masked in logs.
     * Examples: Authorization tokens, passwords, API keys.
     */
    readonly isSecured: boolean;
    /**
     * Whether this header should be used as a dimension for metrics/monitoring.
     * Examples: x-tenant-id, x-request-id (for distributed tracing).
     */
    readonly isDimensionForMetrics: boolean;
    constructor(headerName: string, isWantTransferred?: boolean, isSecured?: boolean, isDimensionForMetrics?: boolean);
    /**
     * Get the header name (implements Header interface).
     * @returns The HTTP header name
     */
    getHeaderName(): string;
}