# Class: com.pnfsoftware.jeb.core.units.code.asm.decompiler.ir.compiler.SubstitutionDefinition

Definition of an expression\-substitution: input pattern, output pattern

## Constructor: SubstitutionDefinition
- parameter: `pattern`, type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.ir.compiler.INode`
- parameter: `replacement`, type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.ir.compiler.INode`


## Method: getPattern
- return type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.ir.compiler.INode`


## Method: getReplacement
- return type: `com.pnfsoftware.jeb.core.units.code.asm.decompiler.ir.compiler.INode`


## Method: toString
- return type: `java.lang.String`