import { char } from 'src/customTypings';
import { ECIEncoderSet } from './ECIEncoderSet';
import Charset from '../util/Charset';
import ECIInput from './ECIInput';
export declare class MinimalECIInput implements ECIInput {
    private bytes;
    private fnc1;
    /**
     * Constructs a minimal input
     *
     * @param stringToEncode the character string to encode
     * @param priorityCharset The preferred {@link Charset}. When the value of the argument is null, the algorithm
     *   chooses charsets that leads to a minimal representation. Otherwise the algorithm will use the priority
     *   charset to encode any character in the input that can be encoded by it if the charset is among the
     *   supported charsets.
     * @param fnc1 denotes the character in the input that represents the FNC1 character or -1 if this is not GS1
     *   input.
     */
    constructor(stringToEncode: string, priorityCharset: Charset, fnc1: number);
    getFNC1Character(): number;
    /**
     * Returns the length of this input.  The length is the number
     * of {@code byte}s, FNC1 characters or ECIs in the sequence.
     *
     * @return  the number of {@code char}s in this sequence
     */
    length(): number;
    haveNCharacters(index: number, n: number): boolean;
    /**
     * Returns the {@code byte} value at the specified index.  An index ranges from zero
     * to {@code length() - 1}.  The first {@code byte} value of the sequence is at
     * index zero, the next at index one, and so on, as for array
     * indexing.
     *
     * @param   index the index of the {@code byte} value to be returned
     *
     * @return  the specified {@code byte} value as character or the FNC1 character
     *
     * @throws  IndexOutOfBoundsException
     *          if the {@code index} argument is negative or not less than
     *          {@code length()}
     * @throws  IllegalArgumentException
     *          if the value at the {@code index} argument is an ECI (@see #isECI)
     */
    charAt(index: number): number;
    /**
     * Returns a {@code CharSequence} that is a subsequence of this sequence.
     * The subsequence starts with the {@code char} value at the specified index and
     * ends with the {@code char} value at index {@code end - 1}.  The length
     * (in {@code char}s) of the
     * returned sequence is {@code end - start}, so if {@code start == end}
     * then an empty sequence is returned.
     *
     * @param   start   the start index, inclusive
     * @param   end     the end index, exclusive
     *
     * @return  the specified subsequence
     *
     * @throws  IndexOutOfBoundsException
     *          if {@code start} or {@code end} are negative,
     *          if {@code end} is greater than {@code length()},
     *          or if {@code start} is greater than {@code end}
     * @throws  IllegalArgumentException
     *          if a value in the range {@code start}-{@code end} is an ECI (@see #isECI)
     */
    subSequence(start: number, end: number): string;
    /**
     * Determines if a value is an ECI
     *
     * @param   index the index of the value
     *
     * @return  true if the value at position {@code index} is an ECI
     *
     * @throws  IndexOutOfBoundsException
     *          if the {@code index} argument is negative or not less than
     *          {@code length()}
     */
    isECI(index: number): boolean;
    /**
     * Determines if a value is the FNC1 character
     *
     * @param   index the index of the value
     *
     * @return  true if the value at position {@code index} is the FNC1 character
     *
     * @throws  IndexOutOfBoundsException
     *          if the {@code index} argument is negative or not less than
     *          {@code length()}
     */
    isFNC1(index: number): boolean;
    /**
     * Returns the {@code int} ECI value at the specified index.  An index ranges from zero
     * to {@code length() - 1}.  The first {@code byte} value of the sequence is at
     * index zero, the next at index one, and so on, as for array
     * indexing.
     *
     * @param   index the index of the {@code int} value to be returned
     *
     * @return  the specified {@code int} ECI value.
     *          The ECI specified the encoding of all bytes with a higher index until the
     *          next ECI or until the end of the input if no other ECI follows.
     *
     * @throws  IndexOutOfBoundsException
     *          if the {@code index} argument is negative or not less than
     *          {@code length()}
     * @throws  IllegalArgumentException
     *          if the value at the {@code index} argument is not an ECI (@see #isECI)
     */
    getECIValue(index: number): number;
    addEdge(edges: InputEdge[][], to: number, edge: InputEdge): void;
    addEdges(stringToEncode: string, encoderSet: ECIEncoderSet, edges: InputEdge[][], from: number, previous: InputEdge, fnc1: number): void;
    encodeMinimally(stringToEncode: string, encoderSet: ECIEncoderSet, fnc1: number): number[];
}
declare class InputEdge {
    readonly c: char;
    readonly encoderSet: ECIEncoderSet;
    readonly encoderIndex: number;
    readonly previous: InputEdge;
    readonly fnc1: number;
    readonly cachedTotalSize: number;
    constructor(c: char, encoderSet: ECIEncoderSet, encoderIndex: number, previous: InputEdge, fnc1: number);
    isFNC1(): boolean;
}
export {};
