import { EncodableBitStringFields } from "../field/EncodableBitStringFields.js";
import { AbstractLazilyEncodableSegment } from "./AbstractLazilyEncodableSegment.js";
export declare class TcfCaV1CoreSegment extends AbstractLazilyEncodableSegment<EncodableBitStringFields> {
    private base64UrlEncoder;
    private bitStringEncoder;
    constructor(encodedString?: string);
    getFieldNames(): string[];
    protected initializeFields(): EncodableBitStringFields;
    /**
     * Builds the core field set. When legacy is true the OptimizedRange / N-ArrayOfRanges fields use
     * the pre-fix fixed-integer encoders; otherwise they use the spec-compliant Fibonacci encoders.
     * The legacy field set is only used to decode strings produced by the older encoder (see
     * decodeSegment).
     */
    private buildFields;
    protected encodeSegment(fields: EncodableBitStringFields): string;
    protected decodeSegment(encodedString: string, fields: EncodableBitStringFields): void;
    /**
     * Attempts to decode bitString using either the current or legacy field set and verifies the
     * result by re-encoding it: if the re-encoded bits are a prefix of the decoded bits (the tail
     * being base64 padding), the interpretation produced the string. On success the decoded values
     * are copied into targetFields (which always use the current encoders) so that any subsequent
     * re-encode emits the spec-compliant format.
     */
    private tryDecode;
}