public long getNumberOfBytes() {
		return length;
	}
Create memory "section" definition.  Those sections defined within the OTHER address
space will be treated as non-loaded data.  Section is always defined with its
physcal address range (i.e., not overlay address range).
@param key the loadable section key which corresponds to this memory "section"
@param isInitialized true if "section" will be initialized from a data source
@param fileOffset data source offset (required if isInitialized is true)
@param length number of bytes within this "section"
@param physicalAddrRange physical address range of "section" (i.e., not overlay addresses)
@param sectionName section name
@param isReadable true if "section" has read privilege
@param isWritable true if "section" has write privilege
@param isExecute true if "section" has execute privilege
@param comment section comment (used as basis for block comment)
@param isFragmentationOK if true this memory section may be fragmented due to 
conflict/overlap with other memory sections of higher precedence.
Ghidra/Features/Base/src/main/java/ghidra/app/util/opinion/MemorySection.java