in src/main/java/ru/adelf/idea/dotenv/completion/NestedEnvVariableCompletionContributor.kt [61:64]
fun shouldComplete(parameters: CompletionParameters): Boolean {
return parameters.originalPosition?.prevSibling?.textMatches(DOUBLE_QUOTE_CHARACTER) == true
&& (parameters.offset < 2 || parameters.editor.document.charsSequence[parameters.offset - 2] != ESCAPE_CHARACTER)
}