import type { ControlVar } from "./ControlVar.js";
export type Interpolator<T extends ControlVar<any, any> = ControlVar<any, any>> = (options: InterpolatorOptions<T>) => T["value"];
export type KeyNamer = (opts: {
    i: number;
    steps: number | number[];
    totalSteps: number;
    name: string;
    keyLimit: number;
    separator: string;
}) => string;
export type InterpolatorOptions<T extends ControlVar<any, any> = ControlVar<any, any>> = {
    state: any;
    step: number;
    totalSteps: number;
    percent: number;
    steps: number | number[];
    start: T;
    end: T;
    keyName: string;
    name: string;
    exclude: string[];
    roundTo: number | false;
};
export type InterpolatedVarsOptions<T extends ControlVar<any, any> = ControlVar<any, any>> = {
    interpolator: Interpolator<T>;
    roundTo: number | false;
    keyName: KeyNamer;
    exclude: string[];
    steps: number | number[];
    separator: string;
    keyLimit: number;
};
export type StopEntry<TUnit extends Record<string, any>> = [percent: number, entry: ControlVar<any, TUnit>];
export type Value<TUnit extends Record<string, any>> = ControlVar<any, TUnit>[] | StopEntry<TUnit>[];
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