import type { NobjcObject } from "objc-js";
import type { _NSArray } from "../Foundation/NSArray.js";
import type { _NSDictionary } from "../Foundation/NSDictionary.js";
import type { _NSObject } from "../Foundation/NSObject.js";
import type { _NSString } from "../Foundation/NSString.js";
import type { CMTime } from "../structs/CMTime.js";
import type { AVOutputSettingsPreset } from "./AVOutputSettingsPreset.js";
export declare class _AVOutputSettingsAssistant extends _NSObject {
    static alloc(): _AVOutputSettingsAssistant;
    static new(): _AVOutputSettingsAssistant;
    init(): _AVOutputSettingsAssistant;
    /**
     * @method availableOutputSettingsPresets @abstract Returns the list of presets that can be used to create an instance of AVOutputSettingsAssistant @result An NSArray of NSString objects, each of which is a preset identifier @discussion Each preset in the returned list can be passed in to +outputSettingsAssistantWithPreset: to create a new instance of AVOutputSettingsAssistant. On iOS, the returned array may be different between different device models.
     */
    static availableOutputSettingsPresets(): _NSArray;
    /**
     * @method outputSettingsAssistantWithPreset: @abstract Returns an instance of AVOutputSettingsAssistant corresponding to the given preset @param presetIdentifier The string identifier, for example AVOutputSettingsPreset1280x720, for the desired preset @result An instance of AVOutputSettingsAssistant with properties corresponding to the given preset, or nil if there is no such available preset. @discussion The properties of the returned object can be used as a guide for creating and configuring an AVAssetWriter object and one or more AVAssetWriterInput objects. If all the suggested properties are respected in creating the AVAssetWriter, the resulting media file will conform to the criteria implied by the preset. Use +availableOutputSettingsPresets to get a list of presets identifiers that can be used with this method.
     */
    static outputSettingsAssistantWithPreset$(presetIdentifier: AVOutputSettingsPreset): _AVOutputSettingsAssistant | null;
    /**
     * @property audioSettings @abstract A dictionary of key/value pairs, as specified in AVAudioSettings.h, to be used when e.g. creating an instance of AVAssetWriterInput @discussion The value of this property may change as a result of setting a new value for the sourceAudioFormat property.
     */
    audioSettings(): _NSDictionary | null;
    /**
     * @property videoSettings @abstract A dictionary of key/value pairs, as specified in AVVideoSettings.h, to be used when e.g. creating an instance of AVAssetWriterInput @discussion The value of this property may change as a result of setting a new value for the sourceVideoFormat property.
     */
    videoSettings(): _NSDictionary | null;
    /**
     * @property outputFileType @abstract A UTI indicating the type of file to be written, to be used when e.g. creating an instance of AVAssetWriter @discussion Use [[UTType typeWithIdentifier:outputFileType] preferredFilenameExtension] to get a suitable file extension for a given file type.
     */
    outputFileType(): _NSString;
    /**
     * @property sourceAudioFormat @abstract A CMAudioFormatDescription object describing the format of you audio data @discussion Setting this property will allow the receiver to make a more informed recommendation for the audio settings that should be used. After setting this property, you should re-query the audioSettings property to get the new recommendation. The default value is NULL, which means that the receiver does not know anything about the format of your audio data. If you set a non-NULL value for this property, and are using the receiver to initialize an AVAssetWriterInput, the same format description should be used to initialize the AVAssetWriterInput, along with the dictionary from the audioSettings property.
     */
    sourceAudioFormat(): NobjcObject | null;
    setSourceAudioFormat$(value: NobjcObject | null): void;
    /**
     * @property sourceVideoFormat @abstract A CMVideoFormatDescription object describing the format of your video data @discussion Setting this property will allow the receiver to make a more informed recommendation for the video settings that should be used. After setting this property, you should re-query the videoSettings property to get the new recommendation. The default value is NULL, which means that the receiver does not know anything about the format of your video data. If you set a non-NULL value for this property, and are using the receiver to initialize an AVAssetWriterInput, the same format description should be used to initialize the AVAssetWriterInput, along with the dictionary from the videoSettings property.
     */
    sourceVideoFormat(): NobjcObject | null;
    setSourceVideoFormat$(value: NobjcObject | null): void;
    /**
     * @property sourceVideoAverageFrameDuration @abstract A CMTime describing the average frame duration (reciprocal of average frame rate) of your video data @discussion Setting this property will allow the receiver to make a more informed recommendation for the video settings that should be used. After setting this property, you should re-query the videoSettings property to get the new recommendation. The default value is 1/30, which means that the receiver is assuming that your source video has an average frame rate of 30fps. It is an error to set this property to a value that is not positive or not numeric. See CMTIME_IS_NUMERIC.
     */
    sourceVideoAverageFrameDuration(): CMTime;
    setSourceVideoAverageFrameDuration$(value: CMTime): void;
    /**
     * @property sourceVideoMinFrameDuration @abstract A CMTime describing the minimum frame duration (reciprocal of the maximum frame rate) of your video data @discussion Setting this property will allow the receiver to make a more informed recommendation for the video settings that should be used. After setting this property, you should re-query the videoSettings property to get the new recommendation. If your source of video data is an instance of AVAssetReaderOutput, you can discover the minimum frame duration of your source asset using the AVAssetTrack.minFrameDuration property. The default value is 1/30, which means that the receiver is assuming that your source video has a maximum frame rate of 30fps. It is an error to set this property to a value that is not positive or not numeric. See CMTIME_IS_NUMERIC.
     */
    sourceVideoMinFrameDuration(): CMTime;
    setSourceVideoMinFrameDuration$(value: CMTime): void;
}
