import { AnyTransformerDefinition, BooleanTransformerDefinition, ClampTransformerDefinition, FormulaTransformerDefinition, ITransformer, InlineTransform, MapTransformerDefinition, RoundTransformerDefinition, ScaleTransformerDefinition, TransformContext, TransformDirection } from './transformer.types';
declare abstract class BaseTransformer implements ITransformer {
    protected direction: TransformDirection;
    constructor(direction?: TransformDirection);
    abstract read(value: unknown, context?: TransformContext): unknown;
    abstract write(value: unknown, context?: TransformContext): unknown;
    canRead(): boolean;
    canWrite(): boolean;
    protected toNumber(value: unknown, fallback?: number): number;
    protected toStringKey(value: unknown): string;
}
export declare class ScaleTransformer extends BaseTransformer {
    private inputMin;
    private inputMax;
    private outputMin;
    private outputMax;
    constructor(definition: ScaleTransformerDefinition);
    read(value: unknown, _context?: TransformContext): number;
    write(value: unknown, _context?: TransformContext): number;
    private scale;
}
export declare class MapTransformer extends BaseTransformer {
    private readMap;
    private writeMap;
    private writeFormulaFn;
    private static readonly ALLOWED_MATH_FUNCTIONS;
    constructor(definition: MapTransformerDefinition);
    read(value: unknown, _context?: TransformContext): unknown;
    write(value: unknown, _context?: TransformContext): unknown;
    private compileWriteFormula;
}
export declare class FormulaTransformer extends BaseTransformer {
    private readFormula;
    private writeFormula;
    private static readonly ALLOWED_MATH_FUNCTIONS;
    private static readonly FORBIDDEN_PATTERNS;
    constructor(definition: FormulaTransformerDefinition);
    read(value: unknown, _context?: TransformContext): unknown;
    write(value: unknown, _context?: TransformContext): unknown;
    private validateFormula;
    private compileFormula;
}
export declare class BooleanTransformer extends BaseTransformer {
    private trueValue;
    private falseValue;
    private invert;
    constructor(definition: BooleanTransformerDefinition);
    read(value: unknown, _context?: TransformContext): boolean;
    write(value: unknown, _context?: TransformContext): unknown;
    private coerceBoolean;
}
export declare class ClampTransformer extends BaseTransformer {
    private min;
    private max;
    constructor(definition: ClampTransformerDefinition);
    read(value: unknown, _context?: TransformContext): number;
    write(value: unknown, _context?: TransformContext): number;
    private clamp;
}
export declare class RoundTransformer extends BaseTransformer {
    private precision;
    private multiplier;
    constructor(definition: RoundTransformerDefinition);
    read(value: unknown, _context?: TransformContext): number;
    write(value: unknown, _context?: TransformContext): number;
    private round;
}
export declare class PassthroughTransformer extends BaseTransformer {
    constructor(direction?: TransformDirection);
    read(value: unknown, _context?: TransformContext): unknown;
    write(value: unknown, _context?: TransformContext): unknown;
}
export declare class CompositeTransformer extends BaseTransformer {
    private transformers;
    constructor(transformers: ITransformer[], direction?: TransformDirection);
    read(value: unknown, context?: TransformContext): unknown;
    write(value: unknown, context?: TransformContext): unknown;
}
export declare function createTransformer(definition: AnyTransformerDefinition): ITransformer;
export declare function createInlineTransformer(transform: InlineTransform): ITransformer;
export {};