import { List } from '../types/index.js';
import { MatcherRule } from './rules/index.js';
/**
 * @access private
 */
export declare abstract class PatternMatcher<Input_Type, Pattern_Type, Matching_Type, Output_Type> {
    protected readonly value: Input_Type;
    protected readonly rules: List<MatcherRule<Input_Type, Output_Type>>;
    constructor(value: Input_Type, rules?: List<MatcherRule<Input_Type, Output_Type>>);
    abstract when(pattern: Pattern_Type, transformation: (v: Matching_Type) => Output_Type): PatternMatcher<Input_Type, Pattern_Type, Matching_Type, Output_Type>;
    else(transformation: (v: Input_Type) => Output_Type): Output_Type;
}
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