Content-Type: text/html Content-Length: 509 Constructors as methods: 1. table cleared: [] 2. hash kept: { "1":"1", "2":"2" } or added : { "1":"1", "2":"2", "3":"3" } or ignored { "1":"1", "2":"2", "3":"3" } 3. array kept: [ "1", "2" ] or added: [ "1", "2", "3" ] or fail: Exception type: parser.runtime, Source: create, Comment: source and destination are the same array 4. array kept: [ "1", "2", "3" ] or added: [ "1", "2", "3", "4" ] or nested: Exception type: parser.runtime, Source: string, Comment: call canceled - endless json recursion detected