/** Describes a stream to which TDLib internal log is written */
export declare type LogStreamInputUnion = LogStreamDefaultInput | LogStreamFileInput | LogStreamEmptyInput;
/** The log is written to stderr or an OS specific log */
export interface LogStreamDefaultInput {
    _: 'logStreamDefault';
}
/** The log is written to a file */
export interface LogStreamFileInput {
    _: 'logStreamFile';
    /** Path to the file to where the internal TDLib log will be written */
    path?: string;
    /**
     * Maximum size of the file to where the internal TDLib log is written before the file
     * will be auto-rotated
     */
    maxFileSize?: number;
}
/** The log is written nowhere */
export interface LogStreamEmptyInput {
    _: 'logStreamEmpty';
}