import type { PresetName } from "../types/audio.js";
export interface FilterParamRange {
    min: number;
    max: number;
}
export interface PresetDefinition {
    name: PresetName;
    description: string;
    warning?: string;
    allowAdeclick: boolean;
    allowAdeclip: boolean;
    allowDenoise: boolean;
    allowHighpass: boolean;
    allowLowpass: boolean;
    /** Always apply clarity / presence shaping for this preset */
    alwaysEnhanceTone: boolean;
    /** Always apply mild glue compression */
    alwaysCompress: boolean;
    /**
     * Dedicated archival rescue: always declick/denoise, declip on high peaks,
     * cut mud, tame hiss with lowpass, favor mid presence over air boost.
     */
    archivalRescue?: boolean;
    /**
     * Beyond heritage: maximum noise/quality scrub — no punch EQ or compression.
     */
    noiseScrub?: boolean;
    /** Fallback FFmpeg afftdn noise type hint: white | vinyl | shellac */
    noiseProfile: "white" | "vinyl" | "shellac";
    /** Soft high-shelf cut to suppress leftover hiss (negative dB range) */
    hissShelfDb: FilterParamRange | null;
    presenceDb: FilterParamRange;
    airDb: FilterParamRange;
    bassDb: FilterParamRange;
    /** Optional mud cut around ~350 Hz (negative gain). */
    mudCutDb?: FilterParamRange;
    compressThresholdDb: FilterParamRange;
    compressRatio: FilterParamRange;
    /** Primary denoise amount ranges, in dB of reduction (single pass only). */
    denoiseNr: FilterParamRange;
    /**
     * Where to put the denoise threshold *relative to the measured noise floor*,
     * in dB. Negative keeps the threshold under the floor, which is the safe side:
     * a threshold above the real floor subtracts quiet musical detail instead of
     * noise. An absolute dBFS value cannot work here — the same recording at a
     * different gain would be processed completely differently.
     */
    denoiseNfOffsetDb: FilterParamRange;
    adeclickWindow: FilterParamRange;
    adeclickOverlap: FilterParamRange;
    adeclipThreshold: FilterParamRange;
    highpassHz: FilterParamRange;
    lowpassHz: FilterParamRange;
}
export declare const PRESETS: Record<PresetName, PresetDefinition>;
export declare function getPreset(name: string): PresetDefinition;
/** Interpolate within a preset range using strength 0–100. */
export declare function interpolateRange(range: FilterParamRange, strength: number): number;